CVE-2023-39239

HIGH

ASUS RT-AX56U V2 Firmware - Authenticated Remote Code Execution via Format String in General Function API

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1

Scores

CVSS v3 7.2
EPSS 0.0116
EPSS Percentile 62.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-134
Status published
Products (3)
asus/rt-ac86u_firmware 3.0.0.4_386_51529
asus/rt-ax55_firmware 3.0.0.4.386_50460
asus/rt-ax56u_v2_firmware 3.0.0.4.386_50460
Published Sep 07, 2023
Tracked Since Feb 18, 2026