CVE-2021-45997
First published: Fri Feb 04 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tenda G1 | =15.11.0.17\(9502\)_cn | |
| Tendacn G1 Firmware | ||
| Tendacn G3 Firmware | =15.11.0.17\(9502\)_cn | |
| Tenda G3 |
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Frequently Asked Questions
What is the severity of CVE-2021-45997?
CVE-2021-45997 is classified as a denial of service vulnerability in Tenda routers.
How do I fix CVE-2021-45997?
To mitigate CVE-2021-45997, upgrading to the latest firmware version provided by Tenda is recommended.
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.
What impact does CVE-2021-45997 have on my network?
CVE-2021-45997 can cause a denial of service, making the router temporarily unusable.
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.
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- vendor/tendacn
- canonical/tenda g1
- version/tenda g1/15.11.0.17\(9502\)_cn
- canonical/tendacn g1 firmware
- canonical/tendacn g3 firmware
- version/tendacn g3 firmware/15.11.0.17\(9502\)_cn
- canonical/tenda g3