CVE-2026-11522 HIGH

CVE-2026-11522: Tenda W20E setPortMirror formSetPortMirror stack-based overflow

Vendor Tenda
Product W20E
Weakness CWE-121
Published June 8, 2026
Last update June 8, 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 detected in Tenda W20E 15.11.0.6. This vulnerability affects the function formSetPortMirror of the file /goform/setPortMirror. Performing a manipulation of the argument portMirrorMirroredPorts results in stack-based buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.

Key dates

02Disclosure timeline

June 8, 2026 CVE published
June 8, 2026 Record updated