CVE-2025-4999 | Linksys FGW3000-AH/FGW3000-HK up to 1.0.17.000000 HTTP POST Request /cgi-bin/sysconf.cgi sub_4153FC supplicant_rnd_id_en command injection

A vulnerability was found in Linksys FGW3000-AH and FGW3000-HK up to 1.0.17.000000 and classified as critical. Affected by this issue is the function sub_4153FC of the file /cgi-bin/sysconf.cgi of the component HTTP POST Request Handler. The manipulation of the argument supplicant_rnd_id_en leads to command injection.

This vulnerability is handled as CVE-2025-4999. The attack may be launched remotely. Furthermore, there is an exploit available.

The vendor was contacted early about this disclosure but did not respond in any way.