High severity · published Jul 21, 2023
CVE-2023-35086
ASUS RT-AX56U V2 & RT-AC86U - Format String -1
7.2
CVSS
38.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)38.5% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RT
RT-AC86U · ASUS
3.0.0.4_386_51529 · source: vendor, CISA
RV
RT-AX56U V2 · ASUS
3.0.0.4.386_50460 · source: vendor, CISA
RF
Rt-ac86u Firmware · Asus
3.0.0.4_386_51529 · source: NVD
RV
Rt-ax56u V2 Firmware · Asus
3.0.0.4.386_50460 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-35086
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-35086
Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-7240-a5f96-1.html
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