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
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 24 April 2026 · due 8 May 2026
- Weakness
- CWE-77
- Affected
- dlink/dir-823x firmware
- Source
- cve@mitre.org
EPSS 87.9% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.