CVE-2022-23970

HIGH

ASUS RT-AX56U Firmware - Unauthenticated Path Traversal via URL Parameter

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_misc
https://www.twcert.org.tw/tw/cp-132-5784-68aa3-1.html

Scores

CVSS v3 8.1
EPSS 0.0007
EPSS Percentile 22.3%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Details

CWE
CWE-22
Status published
Products (1)
asus/rt-ax56u_firmware 3.0.0.4.386.45898
Published Apr 07, 2022
Tracked Since Feb 18, 2026