7.8
CWE
787
Advisory Published
Updated

CVE-2021-45993

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 formIPMacBindModify. This vulnerability allows attackers to cause a Denial of Service (DoS) via the IPMacBindRuleIP and IPMacBindRuleMac parameters.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Tendacn G1 Firmware=15.11.0.17\(9502\)_cn
Tendacn G1
Tendacn G3 Firmware=15.11.0.17\(9502\)_cn
Tendacn G3

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Frequently Asked Questions

  • 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).

  • 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.

  • What does CVE-2021-45993 affect?

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

  • 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.

  • 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.

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