#VU74819 Improper Authentication in NETGEAR products - CVE-2023-27358

Vulnerability identifier: #VU74819

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-27358

CWE-ID: CWE-287

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
RAX30
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX35
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX38
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX40
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAXE300
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: NETGEAR

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests within the handling of specific SOAP requests. A remote attacker on the local network can bypass authentication process and gain unauthorized access to the device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RAX30: before 1.0.10.94

RAX35: before 1.0.10.94

RAX38: before 1.0.10.94

RAX40: before 1.0.10.94

RAXE300: before 1.0.10.94

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External links
https://kb.netgear.com/000065617/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-PSV-2022-0349
https://www.zerodayinitiative.com/advisories/ZDI-23-502/

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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