Vulnerability · Published Jul 21, 2023 · Assigned by twcert

CVE-2023-35086ASUS RT-AX56U V2 & RT-AC86U - Format String -1

High 7.2

In plain English

A high-severity security flaw in RT-AC86U from ASUS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 38.5% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)38.5%top 1.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official 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.

Affected products (as reported)

VendorProductVersions
ASUS RT-AX56U V2 3.0.0.4.386_50460
ASUS RT-AC86U 3.0.0.4_386_51529

Weakness: CWE-134 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References