CVE-2026-4961

CWE-119 — Buffer OverflowCWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds Write3 documents3 sources
Severity
7.4HIGH
EPSS
0.1%
top 76.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tenda AC6Tenda AC6 Firmware
Timeline
PublishedMar 27

Description

A vulnerability was identified in Tenda AC6 15.03.05.16. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might 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

Affected Packages2 packages

▶CVEListV5tenda/ac615.03.05.16
▶NVDtenda/ac6_firmware15.03.05.16

🔴Vulnerability Details

2
GHSA
GHSA-qhww-r997-h23m: A vulnerability was identified in Tenda AC6 15↗2026-03-27
▶
CVEList
Tenda AC6 POST Request QuickIndex formQuickIndex stack-based overflow↗2026-03-27
▶