What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-07 · updated 2026-06-17
• Weakness: CWE-22

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

• ASUS RT-AX56U: 3.0.0.4.386.45898

References

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

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