CVE-2022-23971

ASUS RT-AX56Us 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.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
twcertCNA
8.1 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
VendorProductVersion
asusrt-ax56u_firmware
3.0.0.4.386.45898
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.twcert.org.tw/tw/cp-132-5785-cf8db-1.html
https://www.twcert.org.tw/tw/cp-132-5785-cf8db-1.html