s2
--:--:--UTC

Searching APEX

Starting…

  1. ○ Searching Threats, IOCs & Threat Intelligence locally
  2. ○ Querying external providers
  3. ○ Asking AI Forensic Validator
  4. ○ Creating new entry from validated hit

0s elapsed

CVE-2026-8228

📛 CVE Title

Wavlink NU516U1 wireless.cgi advance os command injection

⬇ Download JSON ⚠ View as Threat

Description

A security vulnerability has been detected in Wavlink NU516U1 240425. Impacted is the function advance of the file /cgi-bin/wireless.cgi. Such manipulation of the argument wlan_conf/Channel/skiplist/ieee_80211h leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

Overview

State
PUBLISHED
Assigner (CNA)
VulDB
CVSS severity
MEDIUM
CVSS score
CVSS 5.3 / 10 5.3 5.3 / 10
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Effective score
5.3 / 10 MEDIUM source: CNA overview
CWE(s)
CWE-78, CWE-77
Reserved
2026-05-09
Published
2026-05-10 06:00 UTC
Last updated
2026-05-12 04:33 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/8xxx/CVE-2026-8228.json
Linked Threat
CVE-2026-8228 — CVE-2026-8228

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published
2026-05-10 05:16:12 UTC
NVD last modified
2026-05-13 16:10:39 UTC
NVD CVSS v3.1
CVSS 6.3 / 10 6.3 6.3 / 10 MEDIUM source: cna@vuldb.com
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Exploitability subscore
2.8 / 10
Impact subscore
3.4 / 10
EPSS score
0.0035 (probability of exploitation in next 30 days)
EPSS percentile
57.62% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD / KEV / EPSS data refreshed 2026-05-25 06:19 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2026-28976
Assigner
VulDB
Published
May 10, 2026, 4:00:08 AM
Updated
May 12, 2026, 2:33:15 AM
EUVD base score (CVSS 4.0)
5.3 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EUVD-reported EPSS
0.3500
Vendors
WAVLINK
Products
NU516U1 (240425)

ENISA description: A security vulnerability has been detected in Wavlink NU516U1 240425. Impacted is the function advance of the file /cgi-bin/wireless.cgi. Such manipulation of the argument wlan_conf/Channel/skiplist/ieee_80211h leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

EUVD references (4)

Affected products (1)
VendorProductVersionsPlatforms
Wavlink NU516U1 240425 (affected) —

Affected products — CPE 2.3 (2) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

  • cpe:2.3:o:wavlink:wl-nu516u1_firmware:m16u1_v240425:*:*:*:*:*:*:*
  • cpe:2.3:h:wavlink:wl-nu516u1:-:*:*:*:*:*:*:*

Vendor references (4)

References embedded in the original CVE record by the assigning CNA.

MITRE references (4) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

Web references (3)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

NVD-tagged references (4)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

Remediations (18)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

  • Microsoft and Adobe Patch Tuesday, April 2026 Security Update Review
    web:blog.qualys.com

    With Qualys Policy Audit's out-of-the-box mitigation or Compensatory Controls, which reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done immediately, these security controls are not recommended by any industry standards, such as CIS and DISA-STIG.

    2026-05-23 21:03 UTC
  • Microsoft Patch Tuesday April 2026 - 168 Vulnerabilities Fixed ...
    web:cybersecuritynews.com

    Microsoft has released its April 2026 Patch Tuesday security update, addressing 168 vulnerabilities across its product portfolio including one actively exploited zero-day and one publicly disclosed flaw that organizations must prioritize immediately.

    2026-05-23 21:03 UTC
  • Patch Tuesday, May 2026 Edition - Krebs on Security
    web:krebsonsecurity.com

    Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.

    2026-05-23 21:03 UTC
  • Nvd - Cve-2026-22828
    web:nvd.nist.gov

    Official websites use .gov A .gov website belongs to an official government organization in the United States.

    2026-05-23 21:03 UTC
  • Oracle CPU April 2026: Delayed RUs & First Analysis
    web:oradba.ch

    19c 26ai cve oracle-cpu patch -management release-update security Oracle CPU April 2026 : Delayed RUs & First Analysis On April 21, 2026 , Oracle released the Critical Patch Update (CPU) for April 2026 — 481 new security fixes across the entire Oracle product stack. For Oracle Database, this means another round of mandatory patching.

    2026-05-23 21:03 UTC
  • Security Update Guide - Microsoft
    web:portal.msrc.microsoft.com

    The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

    2026-05-23 21:03 UTC
  • VMware ESXi 8.0 Update 3d Release Notes
    web:techdocs.broadcom.com

    What's New This release resolves CVE -2025-22224, CVE -2025-22225, and CVE -2025-22226. For more information on these vulnerabilities and their impact on Broadcom products, see VMSA-2025-0004.

    2026-05-23 21:03 UTC
  • Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero-days
    web:www.bleepingcomputer.com

    Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.

    2026-05-23 21:03 UTC
  • Oracle Critical Patch Update Advisory - April 2026
    web:www.oracle.com

    This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

    2026-05-23 21:03 UTC
  • Patch Tuesday May 2026: Security Updates & CVE Analysis
    web:zecurit.com

    Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

    2026-05-23 21:03 UTC
  • Oracle Critical Patch Update, April 2026 Security Update Review
    web:blog.qualys.com

    Oracle released its second quarterly edition of this year's Critical Patch Update. The update received patches for 481 security vulnerabilities.

    2026-05-26 02:50 UTC
  • Update: Monthly Critical Security Patch Updates (CSPUs) Begin May 28 ...
    web:blogs.oracle.com

    As a follow-up to our recent post, Accelerating Vulnerability Detection and Response, Oracle is announcing the start date and cadence for monthly Critical Security Patch Updates (CSPUs). Beginning May 28, 2026 , Oracle will deliver a Critical Security Patch Update (CSPU) each month.

    2026-05-26 02:50 UTC
  • 138 CVEs Fixed: Netlogon RCE Leads Microsoft's Patch Pack - DNS Bug ...
    web:vulert.com

    Microsoft's May 2026 Patch Tuesday fixes 138 vulnerabilities, including critical Windows DNS and Netlogon RCE flaws. Learn the risks, key CVEs , mitigation steps, and how Vulert can help.

    2026-05-26 02:50 UTC
  • April 2026 Patch Tuesday: Updates and Analysis | CrowdStrike
    web:www.crowdstrike.com

    Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.

    2026-05-26 02:50 UTC
  • May 2026 Patch Tuesday: Updates and Analysis | CrowdStrike
    web:www.crowdstrike.com

    Microsoft has released security updates for 130 vulnerabilities, including 30 critical, in its May 2026 Patch Tuesday rollout.

    2026-05-26 02:50 UTC
  • Security Update Guide FAQs - microsoft.com
    web:www.microsoft.com

    These Knowledge Base articles accompany all security updates and advisories, and include caveats or known issues with security updates. Additionally, support engineers document common concerns from customers in these KB articles. These Knowledge Base articles are published the Security Update Guide with each release on Patch Tuesday.

    2026-05-26 02:50 UTC
  • Microsoft fixes 167 security flaws in April, second biggest Patch ...
    web:www.pcworld.com

    This month's Patch Tuesday includes an actively exploited Office zero-day vulnerability and several critical RCE bugs in Windows and Remote Desktop.

    2026-05-26 02:50 UTC
  • Oracle Patches 450 Vulnerabilities With April 2026 CPU
    web:www.securityweek.com

    Oracle on Tuesday announced the release of 481 new security patches as part of its April 2026 Critical Patch Update (CPU). Across the 28 product families that received security updates, more than 300 patches address vulnerabilities that are remotely exploitable without authentication.

    2026-05-26 02:50 UTC

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2026-8228.json.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-8228",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-12T02:33:06.220143Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-12T02:33:15.334Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "NU516U1",
          "vendor": "Wavlink",
          "versions": [
            {
              "status": "affected",
              "version": "240425"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Ziyue Xie (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security vulnerability has been detected in Wavlink NU516U1 240425. Impacted is the function advance of the file /cgi-bin/wireless.cgi. Such manipulation of the argument wlan_conf/Channel/skiplist/ieee_80211h leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 6.5,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "OS Command Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-77",
              "description": "Command Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-10T04:00:08.818Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-362445 | Wavlink NU516U1 wireless.cgi advance os command injection",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/362445"
        },
        {
          "name": "VDB-362445 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/362445/cti"
        },
        {
          "name": "Submit #800733 | Wavlink NU516U1 M16U1_V240425 Command Injection",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/800733"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_7/7.md"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-05-09T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-05-09T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-05-09T10:00:05.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Wavlink NU516U1 wireless.cgi advance os command injection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-8228",
    "datePublished": "2026-05-10T04:00:08.818Z",
    "dateReserved": "2026-05-09T07:54:51.721Z",
    "dateUpdated": "2026-05-12T02:33:15.334Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}