CVE-2022-25596

Name: CVE-2022-25596
Creator: NVD / NIST
Published: 2022-04-07T19:15:08.807+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2022-25596 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.55%

42.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Asus	Rt-Ac86u Firmware	3.0.0.4.386.45956

References

https://www.twcert.org.tw/tw/cp-132-5793-4f9d3-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-5793-4f9d3-1.htmlThird Party Advisory

Timeline

Published: Apr 7, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-25596?

How severe is CVE-2022-25596?

CVE-2022-25596 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2022-25596?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-25596?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST