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CVE

CWE

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CVE-2026-6168

Published: Apr 13, 2026

Modified: Apr 16, 2026

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

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.

Vendor	Product	Versions
TOTOLINK	A7000R	affected `9.1.0u.6115`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-357056 | TOTOLINK A7000R cstecgi.cgi setWiFiEasyGuestCfg stack-based overflow

vdb-entry

technical-description

VDB-357056 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #797193 | TOTOLINK A7000R <=V9.1.0u.6115 Stack-based Buffer Overflow

third-party-advisory

https://github.com/zhuchan770/vulnerability/blob/main/A7000R/setWiFiEasyGuestCfg/ToToLink%20A7000R%20setWiFiEasyGuestCfg%20338996b67c9780b89829d0ea70058788.md

exploit

https://www.totolink.net/

product

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