CVE-2023-35721
moderate-risk
Published 2024-05-03
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.
Do I need to act?
~
4.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10
High
ADJACENT_NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (4)
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-893/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-893/
39
/ 100
moderate-risk
Severity
27/34 · High
Exploitability
7/34 · Low
Exposure
5/34 · Minimal