CVE-2025-7421: Tenda O3V2 httpd operateMacFilter fromMacFilterModify stack-based overflow
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-7421?
CVE-2025-7421 has been rated as critical due to its potential to cause a stack-based buffer overflow.
How can I fix CVE-2025-7421?
To fix CVE-2025-7421, it is recommended to apply the latest security patches provided by Tenda for the O3V2 device.
What component is affected by CVE-2025-7421?
CVE-2025-7421 affects the httpd component, specifically the function fromMacFilterModify in the file /goform/operateMacFilter.
What type of vulnerability is CVE-2025-7421?
CVE-2025-7421 is classified as a stack-based buffer overflow vulnerability.
Which product is impacted by CVE-2025-7421?
CVE-2025-7421 impacts the Tenda O3V2 device.