What is CVE-2026-10191?

CVE-2026-10191 is a high-severity vulnerability in Tenda W12, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-05-31.

How severe is CVE-2026-10191?

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

Buffer overflow in Tenda W12

CVE-2026-10191

A vulnerability was determined in Tenda W12 3.0.0.7(4763). Impacted is the function cgiWifiMacFilterSet of the file /bin/httpd. This manipulation of the argument wifiMacFilterSet.macList.mac causes stack-based buffer overflow. The attack c…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (25.1th 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

Tenda W12 — versions 3.0.0.7(4763)

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 (third-party-advisory)
cna@vuldb.com (exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-10191?: CVE-2026-10191 is a high-severity vulnerability in Tenda W12, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-05-31.
How severe is CVE-2026-10191?: High severity. CVSS v3 base score is 8.8 out of 10.