CVE-2026-11504: Tenda CX12L Wi-Fi Schedule Configuration Endpoint openSchedWifi setSchedWifi stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-08 · updated 2026-07-23
Weakness: CWE-119

Description

A vulnerability was detected in Tenda CX12L 16.03.53.12. The impacted element is the function setSchedWifi of the file /goform/openSchedWifi of the component Wi-Fi Schedule Configuration Endpoint. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

Affected products

Tenda CX12L: 16.03.53.12

References

https://github.com/cve-a/moist/issues/2
https://vuldb.com/cve/CVE-2026-11504
https://vuldb.com/submit/835649
https://vuldb.com/vuln/369124
https://vuldb.com/vuln/369124/cti
https://www.tenda.com.cn/

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