CVE-2026-90688 HIGH

CVE-2026-90688: Tenda W20E HTTP formIPMacBindAdd stack-based overflow

Vendor Tenda
Product W20E
Weakness CWE-121
Published September 14, 2026
Last update September 15, 2026

CVSS base score

7.1/10
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:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X

What the vulnerability does

01Description

A vulnerability was identified in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. This issue affects the function formIPMacBindAdd of the component HTTP Handler. Such manipulation of the argument IPMacBindRule leads to stack-based buffer overflow. It is possible to launch the attack remotely.

Key dates

02Disclosure timeline

September 14, 2026 CVE published
September 15, 2026 Record updated