CVE-2023-35086

HighCVSS 7.2/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-134

Affected software

Vendor	Product	Versions
ASUS	RT-AX56U V2	3.0.0.4.386_50460
ASUS	RT-AC86U	3.0.0.4_386_51529
asus	rt-ax56u_v2	3.0.0.4.386_50460
asus	rt-ac86u	3.0.0.4_386_51529

References

https://www.twcert.org.tw/tw/cp-132-7240-a5f96-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-7240-a5f96-1.htmlThird Party Advisory

Timeline

Published: Jul 21, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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