CVE-2023-39239 ASUS RT-AX55、RT-AX56U_V2、RT-AC86U - Format String - 2
A remote attacker with admin privileges can exploit a format string vulnerability in ASUS routers to execute arbitrary code or disrupt services.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-39239?
CVE-2023-39239 is a high-severity vulnerability in ASUS RT-AC86U, published on 7 Sep 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
It is identified a format string vulnerability in ASUS RT-AX56U V2’s General function API. This vulnerability is caused by lacking validation for a specific value within its apply.cgi module. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service.
Weakness: CWE-134
Which versions are affected by CVE-2023-39239?
It affects 3 products.
Products include Asus Rt-Ac86u Firmware, Asus Rt-Ax55 Firmware, Asus Rt-Ax56u V2 Firmware.
How do I fix CVE-2023-39239?
No fix has been published for CVE-2023-39239 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-39239 being exploited?
There is no known exploitation of CVE-2023-39239 in the wild and no public exploit code.
Other vulnerabilities in ASUS RT-AC86U
- CVE-2023-35087 ASUS RT-AX56U V2 & RT-AC86U - Format String - 2
- CVE-2023-38031 ASUS RT-AC86U - Command injection vulnerability - 1
- CVE-2023-38032 ASUS RT-AC86U - Command injection vulnerability - 2
- CVE-2023-38033 ASUS RT-AC86U - Command injection vulnerability - 3
- CVE-2023-39236 ASUS RT-AC86U - Command injection vulnerability - 4
Sources
Also known as GHSA-3vqq-6vgg-h45h.