#VU75649 Stack-based buffer overflow in NETGEAR products - CVE-2023-27368

Vulnerability identifier: #VU75649

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-2023-27368

CWE-ID: CWE-121

Exploitation vector: Local network

Exploit availability: No

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

Vendor: NETGEAR

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the soap_serverd binary. A remote unauthenticated attacker on the local network can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RAX30: before 1.0.10.94

RAX40: before 1.0.6.106

RAX38: before 1.0.6.106

RAX35: before 1.0.6.106

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External links
https://www.zerodayinitiative.com/advisories/ZDI-23-499/
https://kb.netgear.com/000065619/Security-Advisory-for-Multiple-Vulnerabilities-on-the-RAX30-PSV-2022-0348
https://jvn.jp/en/vu/JVNVU91883072/index.html

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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.