#VU76456 Buffer overflow in NETGEAR products - CVE-2023-31070

Vulnerability identifier: #VU76456

Vulnerability risk: Low

CVSSv4.0: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2023-31070

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
R6700
Hardware solutions / Routers for home users
R6900
Hardware solutions / Routers for home users
R7000
Hardware solutions / Routers for home users
R7100LG
Hardware solutions / Routers for home users
R7300DST
Hardware solutions / Routers for home users
R7900
Hardware solutions / Routers for home users
R8000
Hardware solutions / Routers for home users
R8300
Hardware solutions / Routers for home users
R8500
Hardware solutions / Routers for home users

Vendor: NETGEAR

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to a boundary error. A local administrator can trigger memory corruption and execute arbitrary code on the target system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

R6700: All versions

R6900: All versions

R7000: All versions

R7100LG: All versions

R7300DST: All versions

R7900: All versions

R8000: All versions

R8300: All versions

R8500: All versions

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External links
https://kb.netgear.com/000065667/Security-Advisory-for-Post-authentication-Buffer-Overflow-on-Some-Routers-PSV-2023-0068

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.