CVE-2026-2185: Tenda RX3 MAC Filtering Configuration Endpoint setBlackRule set_device_name stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-08 · updated 2026-06-17
Weakness: CWE-119

Description

A flaw has been found in Tenda RX3 16.03.13.11. This issue affects the function set_device_name of the file /goform/setBlackRule of the component MAC Filtering Configuration Endpoint. This manipulation of the argument devName/mac causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used.

Affected products

Tenda RX3: 16.03.13.11

References

https://github.com/LX-66-LX/cve-new/issues/6
https://vuldb.com/?ctiid.344888
https://vuldb.com/?id.344888
https://vuldb.com/?submit.749715
https://www.tenda.com.cn/

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