CVE-2023-35086

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
twcertCNA
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 98%
VendorProductVersion
asusrt-ac86u_firmware
3.0.0.4_386_51529:_386_51529
asusrt-ax56u_v2_firmware
3.0.0.4.386_50460:_50460
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.twcert.org.tw/tw/cp-132-7240-a5f96-1.html
https://www.twcert.org.tw/tw/cp-132-7240-a5f96-1.html