CVE-2025-7421 — Improper Restriction of Operations within the Bounds of a Memory Buffer in O3v2
Severity
7.4HIGHNVD
EPSS
0.5%
top 33.31%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 11
Description
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.
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