title: ASUS RT-AX56U V2 & RT-AC86U - Format String -1
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.
problem types: CWE-134 Use of Externally-Controlled Format String
affected:
{
defaultStatus: unaffected
product: RT-AX56U V2
vendor: ASUS
versions:
status: affected, version: 3.0.0.4.386_50460
}
{
defaultStatus: unaffected
product: RT-AC86U
vendor: ASUS
versions:
status: affected, version: 3.0.0.4_386_51529
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.2
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions:
RT-AX56U V2: update firmware version to 3.0.0.4_386_51598
RT-AC86U:
update firmware version
3.0.0.4.386_51915