CVE-2025-29635: D-Link DIR-823X Command Injection Vulnerability

Added to the CISA Known Exploited Vulnerabilities catalog on 24 Apr 2026. Vendor: D-Link. Product: DIR-823X.

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/set_prohibiting via the corresponding function. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

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. (due 08 May 2026)