CVE-2026-4906 HIGH

CVE-2026-4906: Tenda AC5 POST Request WizardHandle decodePwd stack-based overflow

Vendor Tenda
Product AC5
Weakness CWE-121
Published March 27, 2026
Last update March 30, 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 determined in Tenda AC5 15.03.06.47. The affected element is the function decodePwd of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANT/WANS can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.

Key dates

02Disclosure timeline

March 27, 2026 CVE published
March 30, 2026 Record updated