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CVE-2026-18811

📛 CVE Title

H3C NX15 esps add command injection

Description

A vulnerability was detected in H3C NX15 V100R017. The affected element is the function Add of the file /api/esps. Performing a manipulation of the argument esps.filter.url results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.

Overview

State
PUBLISHED
Assigner (CNA)
VulDB
CVSS severity
HIGH
CVSS score
CVSS 8.6 / 10 8.6 8.6 / 10
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Effective score
8.6 / 10 HIGH source: CNA overview
CWE(s)
CWE-77, CWE-74
Reserved
2026-08-04
Published
2026-08-04 20:15 UTC
Last updated
2026-08-04 20:15 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/18xxx/CVE-2026-18811.json
Linked Threat
CVE-2026-18811 — H3C NX15 esps add command injection

Affected products (1)

VendorProductVersionsPlatforms
H3C NX15 V100R017 (affected)

Vendor references (5)

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

Web references (0)

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

No web references attached yet.

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-18811.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:h3c:nx15:*:*:*:*:*:*:*:*"
          ],
          "product": "NX15",
          "vendor": "H3C",
          "versions": [
            {
              "status": "affected",
              "version": "V100R017"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "coconut (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was detected in H3C NX15 V100R017. The affected element is the function Add of the file /api/esps. Performing a manipulation of the argument esps.filter.url results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 8.3,
            "vectorString": "AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-77",
              "description": "Command Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-74",
              "description": "Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-04T20:15:07.634Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-385810 | H3C NX15 esps add command injection",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/385810"
        },
        {
          "name": "VDB-385810 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/385810/cti"
        },
        {
          "name": "CVE-2026-18811 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-18811"
        },
        {
          "name": "Submit #857807 | H3C NX15 Router NX15V100R017 Command Injection",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/857807"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/coconut652-7/IOT_Vul_Public/tree/main/H3C/NX15R017/esps_filter_url_add_root_rce"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-08-04T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-08-04T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-08-04T14:51:28.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "H3C NX15 esps add command injection",
      "x_generator": [
        "VulDB PVTS v202608"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-18811",
    "datePublished": "2026-08-04T20:15:07.634Z",
    "dateReserved": "2026-08-04T12:46:06.567Z",
    "dateUpdated": "2026-08-04T20:15:07.634Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}