CVE-2023-35086

HIGH

Asus Rt-ac86u Firmware - Format String Vulnerability

Title source: rule

Description

It is identified a format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U. This vulnerability is caused by directly using input as a format string when calling syslog in logmessage_normal function, in the do_detwan_cgi module of httpd. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service. This issue affects RT-AX56U V2: 3.0.0.4.386_50460; RT-AC86U: 3.0.0.4_386_51529.

Exploits (1)

nomisec WORKING POC 44 stars

by tin-z · poc

https://github.com/tin-z/CVE-2023-35086-POC

View Code ZIP pw:eip

References (1)

[Third Party Advisory] https://www.twcert.org.tw/tw/cp-132-7240-a5f96-1.html

Scores

CVSS v3 7.2

EPSS 0.7507

EPSS Percentile 98.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-134

Status published

Products (2)

asus/rt-ac86u_firmware 3.0.0.4_386_51529

asus/rt-ax56u_v2_firmware 3.0.0.4.386_50460

Published Jul 21, 2023

Tracked Since Feb 18, 2026