Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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 /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.

Published

2025-07-11T01:15:30.563

Last Modified

2025-07-16T16:43:48.833

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

8.0

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-119
    CWE-121
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System tenda o3_firmware 1.0.0.12\(3880\) Yes
Hardware tenda o3 2.0 No
References