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CVE-2026-8346

📛 CVE Title

D-Link DIR-816 portForward command injection

Description

A vulnerability was detected in D-Link DIR-816 1.10CNB05_R1B011D88210. This affects the function portForward. Performing a manipulation of the argument ip_address results in command injection. The attack can be initiated remotely. The exploit is now public and may be used.

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-77, CWE-74
Reserved
2026-05-11
Published
2026-05-12 01:15 UTC
Last updated
2026-05-12 15:18 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/8xxx/CVE-2026-8346.json
Linked Threat
CVE-2026-8346 — CVE-2026-8346

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
2026-05-12 00:17:03 UTC
NVD last modified
2026-05-12 19:55:06 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
0.0009 (probability of exploitation in next 30 days)
EPSS percentile
25.16% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD / KEV / EPSS data refreshed 2026-05-25 06:17 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-2026-29349
Assigner
VulDB
Published
May 11, 2026, 11:15:13 PM
Updated
May 12, 2026, 1:18:35 PM
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
0.0900
Vendors
D-Link
Products
DIR-816 (1.10CNB05_R1B011D88210)

ENISA description: A vulnerability was detected in D-Link DIR-816 1.10CNB05_R1B011D88210. This affects the function portForward. Performing a manipulation of the argument ip_address results in command injection. The attack can be initiated remotely. The exploit is now public and may be used.

EUVD references (5)

Affected products (1)

VendorProductVersionsPlatforms
D-Link DIR-816 1.10CNB05_R1B011D88210 (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:dlink:dir-816_firmware:1.10cnb05_r1b011d88210:*:*:*:*:*:*:*
  • cpe:2.3:h:dlink:dir-816:a2:*:*:*:*:*:*:*

Vendor references (5)

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

MITRE references (5) 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 (5)

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.

  • 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 20:59 UTC
  • web:cisa.gov

    Update (08/12/2025): CISA has updated this alert to provide clarification on identifying Exchange Servers on an organization's networks and provided further guidance on running the Microsoft Exchange Health Checker. Update (08/07/2025): CISA issued Emergency Directive (ED) 25-02: Mitigate Microsoft Exchange Vulnerability in response to CVE -2025-53786

    2026-05-23 20:59 UTC
  • 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 20:59 UTC
  • 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 20:59 UTC
  • web:nvd.nist.gov

    An official website of the United States government Here's how you know

    2026-05-23 20:59 UTC
  • 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 20:59 UTC
  • 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 20:59 UTC
  • web:www.pcworld.com

    This month's Patch Tuesday brings over 80 fixes for various security vulnerabilities. Fortunately, none are actively being exploited in the wild yet.

    2026-05-23 20:59 UTC
  • web:www.windowslatest.com

    Windows 11 April 2026 update adds Narrator Copilot support, faster Settings, File Explorer fixes, and key security improvements.

    2026-05-23 20:59 UTC
  • 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 20:59 UTC
  • web:support.esri.com

    The C version of this patch also includes additional bug fixes not related to security, refer to the updated Issues Addressed with this Patch section for the latest details. Important Note - April 20, 2026 : The 11.4 version of the Portal for ArcGIS Security 2026 Update 1 Patch is now available.

    2026-05-26 02:53 UTC
  • web:techcommunity.microsoft.com

    Hi I have troubles with this patch setup stuck on enabling services, i have core windows 2019 server, after i have reset services lot off critical services failed to start, i have to use CopyMissingDlls.ps1 script to fix services missing files, after reboot services go up but MSExchangeMailboxReplication service still refuse to run, mail flow ...

    2026-05-26 02:53 UTC
  • web:windowsforum.com

    Microsoft's Fastest Fix Is a Mitigation , Not a Patch The important detail in Microsoft's May 14 notice is that there is no permanent Exchange security update available yet for CVE - 2026 -42897. Microsoft says it is working on one and will release it later for affected supported paths, but today's defensive action is mitigation .

    2026-05-26 02:53 UTC
  • web:www.bleepingcomputer.com

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

    2026-05-26 02:53 UTC
  • web:www.cisecurity.org

    <p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

    2026-05-26 02:53 UTC
  • 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 02:53 UTC
  • web:www.mozilla.org

    # CVE - 2026 -8962: Mitigation bypass in the DOM: Security component Reporter Manojkumar Jaganathan Impact low

    2026-05-26 02:53 UTC
  • web:www.recastsoftware.com

    This April was the most active month observed so far in terms of third‑party vulnerability disclosures and remediation activity. During the month, 360 unique vulnerabilities were identified across 96 applications, with vendors releasing 172 patched versions to address these issues. Compared to earlier months, April represents a clear peak in both vulnerability volume and patch output ...

    2026-05-26 02:53 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-8346.json.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-8346",
                "options": [
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                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-12T13:18:24.191845Z",
                "version": "2.0.3"
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    "cna": {
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        }
      ],
      "metrics": [
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        },
        {
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