#VU74817 OS Command Injection in RAX30 and RAXE300 - CVE-2023-27356

Vulnerability identifier: #VU74817

Vulnerability risk: Medium

CVSSv4.0: 6.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-27356

CWE-ID: CWE-78

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
RAX30
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAXE300
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: NETGEAR

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the logCtrl action. A remote user on the local network can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RAX30: before 1.0.10.94

RAXE300: before 1.0.10.94

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External links
https://kb.netgear.com/000065618/Security-Advisory-for-Post-authentication-Command-Injection-on-Some-Routers-PSV-2022-0350
https://www.zerodayinitiative.com/advisories/ZDI-23-503/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.