CVE-2022-23970

ASUS RT-AX56U - Path Traversal

View on CVE.org

Published Apr 7, 2022 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed

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

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

ASUS

RT-AX56U

affected

Version	Status	Constraints
`3.0.0.4.386.45898`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:asus:rt-ax56u_firmware:3.0.0.4.386.45898:*:*:*:*:*:*:*

cpe:2.3:h:asus:rt-ax56u:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Update ASUS RT-AX56U firmware version to 3.0.0.4.386.45934

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-28886	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.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Adjacent Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.451% probability within 30 days)

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Asus Rt-ax56u Rt-ax56u Firmware

Weaknesses

CWE-22

Sources

CVE record Updated: Sep 17, 2024, 1:55 AM

Status: PUBLISHED
Assigner: twcert
Published: Apr 7, 2022, 6:22 PM
Updated: Sep 17, 2024, 1:55 AM
Reserved: Jan 26, 2022, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:31 AM

Status: Modified
Published: Apr 7, 2022, 7:15 PM
Modified: Jun 17, 2026, 4:31 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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