CVE-2026-3972

CWE-119 — Buffer OverflowCWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds Write3 documents3 sources
Severity
8.7HIGH
EPSS
0.1%
top 67.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tenda W3Tenda W3 Firmware
Timeline
PublishedMar 12

Description

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.

CVSS 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

Affected Packages2 packages

▶CVEListV5tenda/w31.0.0.3(2204)
▶NVDtenda/w3_firmware1.0.0.3\(2204\)

🔴Vulnerability Details

2
CVEList
Tenda W3 HTTP setcfm formSetCfm stack-based overflow↗2026-03-12
▶
GHSA
GHSA-j4r5-rc95-5xpf: A vulnerability was found in Tenda W3 1↗2026-03-12
▶