Netgear CAX30S SSO command injection

Summaryinfo

A vulnerability was found in Netgear CAX30S. It has been classified as critical. This vulnerability affects unknown code of the component SSO. The manipulation leads to command injection. This vulnerability is traded as CVE-2022-43654. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Netgear CAX30S (unknown version). This issue affects an unknown code block of the component SSO. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

NETGEAR CAX30S SSO Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR CAX30S routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the token parameter provided to the sso.php endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-18227.

The weakness was shared 03/30/2023. It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2022-43654 since 10/21/2022. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/09/2025). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Netgear

Name

• CAX30S

License

• commercial

Website

• Vendor: https://www.netgear.com/

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