8.8
CWE
787 119
Advisory Published
Updated

CVE-2022-25596: ASUS RT-AC86U - Heap-based buffer overflow

First published: Thu Apr 07 2022(Updated: )

ASUS RT-AC56U’s configuration function has a heap-based buffer overflow vulnerability due to insufficient validation for the decryption parameter length, which allows an unauthenticated LAN attacker to execute arbitrary code, perform arbitrary operations and disrupt service.

Credit: twcert@cert.org.tw

Affected SoftwareAffected VersionHow to fix
Asus Rt-ac86u Firmware=3.0.0.4.386.45956
ASUS RT-AC86U

Remedy

Update ASUS RT-AC86U firmware version to 3.0.0.4_386_46092

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Frequently Asked Questions

  • What is the vulnerability ID for this ASUS RT-AC56U vulnerability?

    The vulnerability ID for this ASUS RT-AC56U vulnerability is CVE-2022-25596.

  • What is the severity of CVE-2022-25596?

    The severity of CVE-2022-25596 is high with a CVSS score of 8.8.

  • How does this vulnerability in ASUS RT-AC56U occur?

    This vulnerability in ASUS RT-AC56U occurs due to insufficient validation for the decryption parameter length, resulting in a heap-based buffer overflow.

  • What can an unauthenticated attacker do if they exploit this vulnerability?

    An unauthenticated LAN attacker can execute arbitrary code, perform arbitrary operations, and disrupt service if they exploit this vulnerability.

  • Is ASUS RT-AC86U affected by this vulnerability?

    No, ASUS RT-AC86U is not affected by this vulnerability.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability at https://www.twcert.org.tw/tw/cp-132-5793-4f9d3-1.html

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