CVE-2025-1851

Name of the Vulnerable Software and Affected Versions Tenda AC7 versions up to 15.03.06.44

Description A critical vulnerability was found in Tenda AC7, affecting the function formSetFirewallCfg of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to a stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Recommendations For Tenda AC7 versions up to 15.03.06.44, as a temporary workaround, consider disabling the formSetFirewallCfg function until a patch is available. Restrict access to the /goform/SetFirewallCfg endpoint to minimize the risk of exploitation. Avoid using the firewallEn argument in the affected endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.