CVE-2023-39239: ASUS RT-AX55、RT-AX56U_V2、RT-AC86U - Format String - 2

Published Sep 7, 2023
·
Updated

It is identified a format string vulnerability in ASUS RT-AX56U V2’s General function API. This vulnerability is caused by lacking validation for a specific value within its apply.cgi module. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service.

Other sources

It is identified a format string vulnerability in ASUS RT-AX56U V2’s General function API. This vulnerability is caused by lacking validation for a specific value within its apply.cgi module. An unauthenticated remote attacker can exploit this vulnerability without privilege to perform remote arbitrary code execution, arbitrary system operation or disrupt service.

Affected Software

12 affected components
ASUS Rt-ax55 Firmware=3.0.0.4.386_50460
ASUS RT-AX55
ASUS Rt-ax56u V2 Firmware=3.0.0.4.386_50460
ASUS RT-AX56U V2
ASUS Rt-ac86u Firmware=3.0.0.4_386_51529
ASUS RT-AC86U
All of the following
ASUS Rt-ax55 Firmware=3.0.0.4.386_50460
ASUS RT-AX55
All of the following
ASUS Rt-ax56u V2 Firmware=3.0.0.4.386_50460
ASUS RT-AX56U V2
All of the following
ASUS Rt-ac86u Firmware=3.0.0.4_386_51529
ASUS RT-AC86U

Remediation

Information

RT-AX55: update to 3.0.0.4.386_51948  RT-AX56U_V2: update to 3.0.0.4.386_51948  RT-AC86U: update to 3.0.0.4.386_51915

Event History

Sep 7, 2023
CVE Published
via MITRE·07:18 AM
Data Sourced
via MITRE·07:18 AM
RemedyDescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2023-39239?

CVE-2023-39239 is a format string vulnerability in ASUS RT-AX56U V2’s General function API.

2

How does CVE-2023-39239 affect ASUS RT-AX56U V2?

CVE-2023-39239 affects ASUS RT-AX56U V2 by lacking validation for a specific value within its apply.cgi module.

3

Who can exploit CVE-2023-39239?

An unauthenticated remote attacker can exploit CVE-2023-39239 without privilege.

4

What is the severity of CVE-2023-39239?

The severity of CVE-2023-39239 is critical (9.8).

5

Is there a fix available for CVE-2023-39239?

No information about a fix is available at this time.

Contact

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