CVE-2025-7421

published 2025-07-11

CVE-2025-7421: A vulnerability was found in Tenda O3V2 1.0.0.12(3880). It has been rated as critical. This issue affects the function fromMacFilterModify of the file…

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 found in Tenda O3V2 1.0.0.12(3880). It has been rated as critical. This issue affects the function fromMacFilterModify of the file /goform/operateMacFilter of the component httpd. The manipulation of the argument mac leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
tenda	o3_firmware	—	—
tenda	o3v2	—	—

CWE-119 CWE-121