CVE-2021-45997: 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 formSetPortMapping. This vulnerability allows attackers to cause a Denial of Service (DoS) via the portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal, and portMappingExternal parameters.

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-2021-45997?

CVE-2021-45997 is classified as a denial of service vulnerability in Tenda routers.

2

How do I fix CVE-2021-45997?

To mitigate CVE-2021-45997, upgrading to the latest firmware version provided by Tenda is recommended.

3

Which Tenda router models are affected by CVE-2021-45997?

CVE-2021-45997 affects Tenda G1 and G3 routers running firmware version 15.11.0.17(9502)_CN.

4

What impact does CVE-2021-45997 have on my network?

CVE-2021-45997 can cause a denial of service, making the router temporarily unusable.

5

Is there a way to detect exploitation of CVE-2021-45997?

Monitoring for unexpected reboots or network service interruptions may indicate exploitation of CVE-2021-45997.

Contact

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