CVE-2025-29635

dlink dir-823x firmware

Published 25 Mar 2025 · updated 17 Jun 2026 · Analyzed

7.2 High · CVSS 3.1, CISA ADP

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 24 Apr 2026, with a remediation deadline of 8 May 2026 for US federal agencies.

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.

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.

References

github.com/mono7s/Dir-823x/blob/main/set_prohibiting/set_prohibiting.md · Broken Link, Exploit, Third Party Advisory
www.akamai.com/blog/security-research/2026/apr/cve-2025-29635-mirai-campaign-targets-d-link-devices · Exploit, Third Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-29635 · US Government Resource