CVE-2026-2181: Tenda RX3 openSchedWifi stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% 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 security flaw has been discovered in Tenda RX3 16.03.13.11. Affected by this vulnerability is an unknown functionality of the file /goform/openSchedWifi. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

Affected products

Tenda RX3: 16.03.13.11

References

https://github.com/LX-66-LX/cve-new/issues/5
https://vuldb.com/?ctiid.344884
https://vuldb.com/?id.344884
https://vuldb.com/?submit.749710
https://www.tenda.com.cn/

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