CVE-2026-3398 HIGH

CVE-2026-3398: Tenda F453 httpd AdvSetWan fromAdvSetWan buffer overflow

Vendor Tenda
Product F453
Weakness CWE-120
Published March 1, 2026
Last update March 2, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. Executing a manipulation of the argument wanmode/PPPOEPassword can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

Key dates

02Disclosure timeline

March 1, 2026 CVE published
March 2, 2026 Record updated