CVE-2026-3273 HIGH

CVE-2026-3273: Tenda F453 httpd AdvSetWrlsafeset formWrlsafeset buffer overflow

Vendor Tenda
Product F453
Weakness CWE-120
Published February 27, 2026
Last update March 2, 2026

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 identified in Tenda F453 1.0.0.3. Affected by this vulnerability is the function formWrlsafeset of the file /goform/AdvSetWrlsafeset of the component httpd. Such manipulation of the argument mit_ssid_index leads to buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Key dates

02Disclosure timeline

February 27, 2026 CVE published
March 2, 2026 Record updated