What is CVE-2026-11523?

CVE-2026-11523 is a high-severity vulnerability, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-06-08.

How severe is CVE-2026-11523?

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

CVE-2026-11523

CVE-2026-11523

A flaw has been found in Tenda W20E 15.11.0.6. This issue affects the function formPortalAuth of the file /goform/PortalAuth of the component Web Management Interface. Executing a manipulation of the argument gotoUrl can lead to stack-base…

Vulnerability class: Buffer Overflow

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.

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121 — Stack-based Buffer Overflow

References

cna@vuldb.com
cna@vuldb.com
cna@vuldb.com
cna@vuldb.com
cna@vuldb.com
cna@vuldb.com

Frequently asked questions

What is CVE-2026-11523?: CVE-2026-11523 is a high-severity vulnerability, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-06-08.
How severe is CVE-2026-11523?: High severity. CVSS v3 base score is 8.8 out of 10.