High severity · published Sep 7, 2023
CVE-2023-39238
ASUS RT-AX55、RT-AX56U_V2 - Format String - 1
7.2
CVSS
1.4%
EPSS
No
On KEV
Description
It is identified a format string vulnerability in ASUS RT-AX56U V2. This vulnerability is caused by lacking validation for a specific value within its set_iperf3_svr.cgi module. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service.
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)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RT
RT-AX55 · ASUS
3.0.0.4.386_50460 · source: vendor, CISA
RT
RT-AX56U_V2 · ASUS
3.0.0.4.386_50460 · source: vendor
RF
Rt-ac86u Firmware · Asus
3.0.0.4_386_51529 · source: NVD
RF
Rt-ax55 Firmware · Asus
3.0.0.4.386_50460 · source: NVD
RV
Rt-ax56u V2 Firmware · Asus
3.0.0.4.386_50460 · source: NVD
RV
Rt-ax56u V2 · Asus
3.0.0.4.386_50460 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39238
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39238
Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-7354-4e654-1.html
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