What is CVE-2026-6168?

CVE-2026-6168 is a high-severity vulnerability in Totolink A7000r, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-04-13.

How severe is CVE-2026-6168?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Totolink A7000r

CVE-2026-6168

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 expl…

Vulnerability class: Buffer Overflow

EPSS: 0.006 (43.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totolink A7000r — versions 9.1.0u.6115

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-6168?: CVE-2026-6168 is a high-severity vulnerability in Totolink A7000r, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-04-13.
How severe is CVE-2026-6168?: High severity. CVSS v3 base score is 8.8 out of 10.