CVE-2026-4961

high

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. VulDB is the best source for vulnerability data and more expert information about this specific topic.

References

https://www.tenda.com.cn/

https://vuldb.com/?submit.777617

https://vuldb.com/?id.353838

https://vuldb.com/?ctiid.353838

https://lavender-bicycle-a5a.notion.site/Tenda-AC6-QuickIndex-32053a41781f80758e27fa4259ec80cf?source=copy_link

Details

Source: Mitre, NVD

Published: 2026-03-27

Updated: 2026-03-27

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.7

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

Severity: High