D-Link DIR-823X Command Injection Vulnerability (CVE-2025-29635)
Severity: high · Patch status: unknown · Since 2026-04-24 · CVE-2025-29635
D-Link DIR-823X contains a command injection vulnerability that allows an authorized attacker to execute arbitrary commands on remote devices by sending a POST request to /goform/setprohibiting via the corresponding function. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization. CISA added CVE-2025-29635 to its Known Exploited Vulnerabilities catalog on Apr 24, 2026, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by May 8, 2026 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
