The vulnerability of the sub_3C434() function (/goform/AdvSetWan) in the Tenda FH451 router’s microprogramming software allows a hacker to execute arbitrary code.

The vulnerability of the sub3C434 function /goform/AdvSetWan of the Tenda FH451 router’s microprogramming software is related to buffer overflow in the stack. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

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...

CVE-2026-3678: Stack-based Buffer 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...