CVE-2021-45991

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-02-04 · updated 2026-06-17
Weakness: CWE-787

Description

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

Affected products

Tendacn G1 Firmware: 15.11.0.17(9502)_cn
Tendacn G3 Firmware: 15.11.0.17(9502)_cn

References

https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_6/6.md
https://exchange.xforce.ibmcloud.com/vulnerabilities/218954
https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_6/6.md

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