CVE-2022-23970 — HIGH (8.1)

Vulnerability 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.

CVSS Score

8.1

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Asus	Rt-Ax56U Firmware	3.0.0.4.386.45898
Asus	Rt-Ax56U	-

Related Weaknesses (CWE)

CWE-22

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

FAQ

What is CVE-2022-23970?

CVE-2022-23970 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 syste...

How severe is CVE-2022-23970?

CVE-2022-23970 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-23970?

Check the references section above for vendor advisories and patch information. Affected products include: Asus Rt-Ax56U Firmware, Asus Rt-Ax56U.