CVE-2026-4565

published 2026-03-23

CVE-2026-4565: A vulnerability was detected in Tenda AC21 16.03.08.16. Impacted is the function formSetQosBand of the file /goform/SetNetControlList. Performing a…

high 7.4 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 CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

A vulnerability was detected in Tenda AC21 16.03.08.16. Impacted is the function formSetQosBand of the file /goform/SetNetControlList. Performing a manipulation of the argument list results in buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
tenda	ac21	—	—
tenda	ac21_firmware	—	—

CWE-119 CWE-120