CVE-2021-45993: 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 formIPMacBindModify. This vulnerability allows attackers to cause a Denial of Service (DoS) via the IPMacBindRuleIP and IPMacBindRuleMac 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-2021-45993?

CVE-2021-45993 is classified as a high severity vulnerability due to its potential to cause a Denial of Service (DoS).

2

How do I fix CVE-2021-45993?

To fix CVE-2021-45993, update the Tenda G1 or G3 firmware to a version that addresses this stack overflow vulnerability.

3

What does CVE-2021-45993 affect?

CVE-2021-45993 affects Tenda routers G1 and G3 running firmware version 15.11.0.17(9502)_CN.

4

What is the impact of CVE-2021-45993?

The impact of CVE-2021-45993 is that it allows attackers to leverage the stack overflow to execute a Denial of Service attack.

5

Is there a known exploit for CVE-2021-45993?

Yes, there are known exploits for CVE-2021-45993 that can be executed using the vulnerable parameters IPMacBindRuleIP and IPMacBindRuleMac.

Contact

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