What is CVE-2026-11503?

CVE-2026-11503 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-2026-11503?

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

CVE-2026-11503

CVE-2026-11503

A security vulnerability has been detected in Tenda CX12L 16.03.53.12. The affected element is the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set of the component Wi-Fi Configuration Endpoint. Such manipulati…

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
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Frequently asked questions

What is CVE-2026-11503?: CVE-2026-11503 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-2026-11503?: High severity. CVSS v3 base score is 8.8 out of 10.