CVE-2022-23971 - CVE House
Back to Database
Status published High CVE-2022-23971

ASUS RT-AX56U - Path Traversal

Vulnerability Description

ASUS RT-AX56U’s update_PLC/PORT file 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 PLC/PORT file with the same file name, which results in service disruption.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2022-23971

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • hanpeng (Cyber Kunlun Lab)

References

More from ASUS

View All →
CVE-2025-9968
A link following vulnerability exists in the UnifyScanner component of...
High 8.5
CVE-2025-9338
A improper restriction of operations within the bounds of a...
High 7.3
CVE-2025-9337
A null pointer dereference has been identified in the AsIO3.sys...
Medium 6.8
CVE-2025-9336
A stack buffer overflow has been identified in the AsIO3.sys...
Medium 6.8
CVE-2025-6398
A null pointer dereference vulnerability exists in the IOMap64.sys driver...
Medium 6.7

Affected Vendor

Affected Software

RT-AX56U
Vulnerable Versions:
3.0.0.4.386.45898

Timeline

Official Publish: April 7th, 2022
Last Modified: September 17th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weaknesses (CWE)

CWE-22

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1005 Data from Local System
Collection
T1552 Unsecured Credentials
Credential Access
T1565.001 Stored Data Manipulation
Impact