CVE-2026-3976CWE-119CWE-121

Tenda W3 POST Parameter WifiMacFilterSet formWifiMacFilterSet stack-based overflow

High · published March 12, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
64.0
In the wild
Unconfirmed
What it is

A weakness has been identified in Tenda W3 1.0.0.3(2204). Impacted is the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet of the component POST Parameter Handler. Executing a manipulation of the argument index/GO can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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/E:P
EPSS
0.01052 · 64.0th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-03-12T02:32Z
EPSS history
Timeline
  • 12 MAR 02:32Z
    Tenda W3 POST Parameter WifiMacFilterSet formWifiMacFilterSet stack-based overflow
    cvelistv5