CVE-2026-11524: Tenda W20E Web Management modifyWifiFilterRules 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 has been found in Tenda W20E 15.11.0.6. Impacted is the function modifyWifiFilterRules of the file /goform/modifyWifiFilterRules of the component Web Management Interface. The manipulation of the argument wifiFilterListRemark leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

Tenda W20E: 15.11.0.6

References

https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/formWifiFilterRulesModify/modifyWifiFilterRules.md
https://vuldb.com/cve/CVE-2026-11524
https://vuldb.com/submit/836478
https://vuldb.com/vuln/369144
https://vuldb.com/vuln/369144/cti
https://www.tenda.com.cn/

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