CVE-2026-3972CWE-119CWE-121

Tenda W3 HTTP setcfm formSetCfm stack-based overflow

High · published March 12, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
55.3
In the wild
Unconfirmed
What it is

A vulnerability was found in Tenda W3 1.0.0.3(2204). Affected by this issue is the function formSetCfm of the file /goform/setcfm of the component HTTP Handler. The manipulation of the argument funcpara1 results in stack-based buffer overflow. The attack can only be performed from the local network. The exploit has been made public and could be used.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.00774 · 55.3th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-03-12T01:32Z
EPSS history
Timeline
  • 12 MAR 01:32Z
    Tenda W3 HTTP setcfm formSetCfm stack-based overflow
    cvelistv5