CVE-2025-29635
D-Link DIR-823X Command Injection Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 8 May 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 87.94% probability · 100th percentile
- CISA KEV
- Listed 24 April 2026 · due 8 May 2026
- Weakness
- CWE-77
- Affected
- dlink/dir-823x firmware
- Source
- cve@mitre.org
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10469 ; https://nvd.nist.gov/vuln/detail/CVE-2025-29635
References
- https://github.com/mono7s/Dir-823x/blob/main/set_prohibiting/set_prohibiting.mdBroken Link, Exploit, Third Party Advisory
- https://www.akamai.com/blog/security-research/2026/apr/cve-2025-29635-mirai-campaign-targets-d-link-devicesExploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-29635US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.