CVE-2021-45991: High severity tenda g1 vulnerability

Published Feb 4, 2022
·
Updated

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 Software

4 affected components
Tendacn G1 Firmware=15.11.0.17\(9502\)_cn
Tendacn G1
Tendacn G3 Firmware=15.11.0.17\(9502\)_cn
Tendacn G3

Event History

Feb 4, 2022
CVE Published
via MITRE·01:33 AM
Data Sourced
via MITRE·01:33 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2021-45991?

The severity of CVE-2021-45991 is classified as high due to its potential for causing Denial of Service.

2

How do I fix CVE-2021-45991?

To fix CVE-2021-45991, update your Tenda G1 or G3 router firmware to a version that addresses the stack overflow vulnerability.

3

What are the affected devices for CVE-2021-45991?

The affected devices for CVE-2021-45991 are Tenda G1 and G3 routers running firmware version 15.11.0.17(9502)_CN.

4

Can CVE-2021-45991 be exploited remotely?

Yes, CVE-2021-45991 can be exploited remotely, allowing attackers to trigger a Denial of Service.

5

What does CVE-2021-45991 exploit in Tenda routers?

CVE-2021-45991 exploits a stack overflow in the formAddVpnUsers function in Tenda routers.

Contact

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