CVE-2022-26673

Name: CVE-2022-26673
Creator: NVD / NIST
Published: 2022-04-22T07:15:07.81+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2022-26673 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. ASUS RT-AX88U has insufficient filtering for special characters in the HTTP header parameter. A remote attacker with general user privilege can exploit this vulnerability to inject JavaScript and perform Stored Cross-Site Scripting (XSS) attacks.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

ASUS RT-AX88U has insufficient filtering for special characters in the HTTP header parameter. A remote attacker with general user privilege can exploit this vulnerability to inject JavaScript and perform Stored Cross-Site Scripting (XSS) attacks.

Metrics

CVSS 3.1

5.4/10

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

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-Ax88u Firmware	< 3.0.0.4.386.46065

References

https://www.twcert.org.tw/tw/cp-132-6042-6cc0f-1.htmlThird Party Advisory, VDB Entry
https://www.twcert.org.tw/tw/cp-132-6042-6cc0f-1.htmlThird Party Advisory, VDB Entry

Timeline

Published: Apr 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-26673?

How severe is CVE-2022-26673?

CVE-2022-26673 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2022-26673?

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-2022-26673?

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

Scan your code now

Source: NVD / NIST