Vulnerability · Published Apr 7, 2022 · Assigned by twcert

CVE-2022-23970ASUS RT-AX56U - Path Traversal

High 8.1

In plain English

A high-severity path traversal in RT-AX56U from ASUS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.5%top 60.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
ASUS	RT-AX56U	3.0.0.4.386.45898

Weakness: CWE-22 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References

https://www.twcert.org.tw/tw/cp-132-5784-68aa3-1.html x_refsource_MISC