cvedb.io
CVE-2021-45989
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2022-02-04T02:15:08.677 · Last modified 2026-06-17T04:14:22.473

Summary

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function guestWifiRuleRefresh. This vulnerability allows attackers to cause a Denial of Service (DoS) via the qosGuestUpstream and qosGuestDownstream parameters.

Affected products

tendacn — g1_firmware

Does this affect you?

Add your gear to cvedb and we'll alert you only when tendacn ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.