CVE-2026-11503

HIGH

Tenda CX12L Wi-Fi Configuration Endpoint fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow

Title source: cna
STIX 2.1

Description

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 manipulation of the argument ssid leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

References (6)

Core 6
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-369123 | Tenda CX12L Wi-Fi Configuration Endpoint fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow
https://vuldb.com/vuln/369123
Signature, Permissions Required signature permissions-required
VDB-369123 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/369123/cti
Third Party Advisory third-party-advisory
CVE-2026-11503 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-11503
Third Party Advisory third-party-advisory
Submit #835648 | Tenda CX12L V16.03.53.12 Stack-based Buffer Overflow
https://vuldb.com/submit/835648
Exploit exploit issue-tracking
https://github.com/cve-a/moist/issues/1
Product product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0080
EPSS Percentile 51.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (1)
Tenda/CX12L 16.03.53.12
Published Jun 08, 2026
Tracked Since Jun 08, 2026