#VU70092 Stack-based buffer overflow in NETGEAR products

Vulnerability identifier: #VU70092

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-121

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
R7000P
Hardware solutions / Routers for home users
XR300
Hardware solutions / Routers for home users
R6400
Hardware solutions / Routers for home users
RBK852
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBR850
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBS850
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: NETGEAR

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote administrator on the local network can trigger stack-based buffer overflow and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

R7000P: before 1.3.2.132

XR300: before 1.0.3.50

RBK852: before 3.2.10.11

RBR850: before 3.2.10.11

RBS850: before 3.2.10.11

R6400: before 1.0.1.70

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External links
https://kb.netgear.com/000065373/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0156

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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