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CVE-2026-6168

TOTOLINK A7000R cstecgi.cgi setWiFiEasyGuestCfg stack-based overflow

HIGH
8.8
CVSS Score
Published: April 13, 2026 at 06:30 AM UTC
Updated: October 26, 2026 at 09:10 PM UTC
2 products affected across 1 vendorA7000R FirmwareA7000R

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/357056
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/357056/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/797193
Exploit
Source: cverecord
https://github.com/zhuchan770/vulnerability/blob/main/A7000R/setWiFiEasyGuestCfg/ToToLink%20A7000R%20setWiFiEasyGuestCfg%20338996b67c9780b89829d0ea70058788.md
Product
Source: cverecord
https://www.totolink.net/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121CWE-119

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