CVE-2026-6168 HIGH

CVE-2026-6168: TOTOLINK A7000R cstecgi.cgi setWiFiEasyGuestCfg stack-based overflow

Vendor Totolink
Product A7000R
Weakness CWE-121
Published April 13, 2026
Last update April 16, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

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/E:P

What the vulnerability does

01Description

A flaw has been found in TOTOLINK A7000R up to 9.1.0u.6115. The affected element is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ssid5g causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Key dates

02Disclosure timeline

April 13, 2026 CVE published
April 16, 2026 Record updated