CVE-2022-23970

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

ASUS RT-AX56U’s update_json function has a path traversal vulnerability due to insufficient filtering for special characters in the URL parameter. An unauthenticated LAN attacker can overwrite a system file by uploading another file with the same file name, which results in service disruption.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-22

Affected software

Vendor	Product	Versions
ASUS	RT-AX56U	3.0.0.4.386.45898

References

https://www.twcert.org.tw/tw/cp-132-5784-68aa3-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-5784-68aa3-1.htmlThird Party Advisory

Timeline

Published: Apr 7, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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