CVE-2023-35086 ASUS RT-AX56U V2 & RT-AC86U - Format String -1
A format string vulnerability in ASUS routers allows remote administrators 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-2023-35086?
CVE-2023-35086 is a high-severity vulnerability in ASUS RT-AC86U, published on 21 Jul 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 & 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.
Weakness: CWE-134
Which versions are affected by CVE-2023-35086?
It affects 2 products.
Products include Asus Rt-Ac86u Firmware, Asus Rt-Ax56u V2 Firmware.
How do I fix CVE-2023-35086?
No fix has been published for CVE-2023-35086 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-35086 being exploited?
There is no known exploitation of CVE-2023-35086 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
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-r4fx-9v33-wcf4.