CVE-2025-29635

Published Mar 25, 2025

Last updated 17 days ago

Exploit known CVSS high 7.2

Zero-day

IoT

Firmware

D-Link DIR-823X

Overview

AI description

Automated description summarized from trusted sources.

CVE-2025-29635 describes a command injection vulnerability found in specific firmware versions (240126 and 240802) of D-Link DIR-823X routers. This flaw allows an authorized attacker to execute arbitrary commands on affected remote devices. The vulnerability is triggered by sending a specially crafted POST request to the `/goform/set_prohibiting` function, which can lead to remote command execution. Reports indicate that this vulnerability has been exploited by the Mirai botnet.

Description: A command injection vulnerability in D-Link DIR-823X 240126 and 240802 allows an authorized attacker to execute arbitrary commands on remote devices by sending a POST request to /goform/set_prohibiting via the corresponding function, triggering remote command execution.
Source: cve@mitre.org
NVD status: Analyzed
Products: dir-823x_firmware

Risk scores

CVSS 3.1

Type: Secondary
Base score: 7.2
Impact score: 5.9
Exploitability score: 1.2
Vector string: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Severity: HIGH

Known exploits

Data from CISA

Vulnerability name: D-Link DIR-823X Command Injection Vulnerability
Exploit added on: Apr 24, 2026
Exploit action due: May 8, 2026
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-77

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:dlink:dir-823x_firmware:240126:*:*:*:*:*:*:*",
            "matchCriteriaId": "3C63FF02-C46A-4DD9-AEB0-72FF5D4C2ABF",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:dlink:dir-823x_firmware:240802:*:*:*:*:*:*:*",
            "matchCriteriaId": "692189D6-6D75-4C87-BA1F-15D9C34FAEF6",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      },
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:h:dlink:dir-823x:-:*:*:*:*:*:*:*",
            "matchCriteriaId": "09CE2627-49F3-4B6F-B48B-F52665C6B8C6",
            "vulnerable": false
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "AND"
  }
]

References

Sources include official advisories and independent security research.