CVE-2023-35721 NETGEAR Multiple Routers curl_post Improper Certificate Validation Remote Code Execution Vulnerability
Network-adjacent attackers can bypass certificate validation in router updates to execute arbitrary code with root privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-35721?
CVE-2023-35721 is a high-severity vulnerability in Netgear Rax50 Firmware, published on 3 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NETGEAR Multiple Routers curl_post Improper Certificate Validation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the update functionality, which operates over HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-19981.
Weakness: CWE-295
Which versions are affected by CVE-2023-35721?
It affects 1 product.
Products include Netgear Rax50 Firmware.
How do I fix CVE-2023-35721?
No fix has been published for CVE-2023-35721 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-35721 being exploited?
There is no known exploitation of CVE-2023-35721 in the wild and no public exploit code.
Other vulnerabilities in Netgear Rax50 Firmware
Sources
Also known as GHSA-72x5-8v8j-3pmx.