CVE-2023-23912 Code injection in Ubiquiti EdgeRouter(s) and USG(s)
Attackers on the WAN interface can achieve remote code execution on Ubiquiti EdgeRouters and USGs when DHCPv6 prefix delegation is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-23912?
CVE-2023-23912 is a high-severity code injection vulnerability in Ubiquiti EdgeRouter(s) and USG(s), published on 9 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.
Which versions are affected by CVE-2023-23912?
It affects 10 products.
Products include Ui Er-10x Firmware, Ui Er-12 Firmware, Ui Er-12p Firmware, Ui Er-4 Firmware, Ui Er-6p Firmware, Ui Er-8-Xg Firmware and 4 more.
How do I fix CVE-2023-23912?
No fix has been published for CVE-2023-23912 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2023-23912 being exploited?
There is no known exploitation of CVE-2023-23912 in the wild and no public exploit code.
Sources
Also known as GHSA-f52w-ff63-7f4c.