CVE-2026-3678 Tenda FH451 AdvSetWan sub_3C434 stack-based overflow

A vulnerability was determined in Tenda FH451 1.0.0.9. Affected is the function sub3C434 of the file /goform/AdvSetWan. This manipulation of the argument wanmode/PPPOEPassword causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclos...