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TI-2022-07936 Aliases CVE-2022-23971GHSA-prcc-4qf3-mc5c

ASUS RT-AX56U - Path Traversal

Priority LOW 36CWE-22Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00451 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ASUSRT-AX56U3.0.0.4.386.45898—No fix listedCNA
  • RT-AX56U VendorASUS Affected 3.0.0.4.386.45898 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:asus:rt-ax56u_firmware:3.0.0.4.386.45898:*:*:*:*:*:*:*3.0.0.4.386.45898VulnerableASUS
cpe:2.3:h:asus:rt-ax56u:-:*:*:*:*:*:*:*not specified by NVDRunning onASUS
  • cpe:2.3:o:asus:rt-ax56u_firmware:3.0.0.4.386.45898:*:*:*:*:*:*:* Versions 3.0.0.4.386.45898 Vulnerable ·ASUS
  • cpe:2.3:h:asus:rt-ax56u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ASUS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-23971
  2. 2026-10-03 Alias added: GHSA-prcc-4qf3-mc5c

References

Advisory 1

  • TI-2022-09749 Out-of-bounds write in Asuswrt-Merlin New Gen CVSS 3.1CRITICAL 9.8
  • TI-2021-18228 A brute-force protection bypass in CAPTCHA protection in ASUS ROG Rapture GT-AX11000… CVSS 3.1CRITICAL 9.8
  • TI-2021-02220 In ASUS RT-AX3000, ZenWiFi AX (XT8), RT-AX88U, and other ASUS routers with firmware <… CVSS 3.1HIGH 7.5
  • TI-2021-19533 ASUS RT-A88U 3.0.0.4.386_45898 is vulnerable to Cross Site Scripting (XSS). CVSS 3.1CRITICAL 9.0
  • TI-2021-18229 An HTTP request smuggling in web application in ASUS ROG Rapture GT-AX11000, RT-AX3000… CVSS 3.1HIGH 7.5
  • TI-2021-17582 A stack overflow vulnerability exists in the httpd service in ASUS RT-AX56U Router… CVSS 3.1HIGH 8.8
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences