#VU70094 Stack-based buffer overflow in R6400 and R7000

Vulnerability identifier: #VU70094

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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

Exploit availability: No

Vulnerable software:
R6400
Hardware solutions / Routers for home users
R7000
Hardware solutions / Routers for home users

Vendor: NETGEAR

Description

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

The vulnerability exists due to a boundary error. A local user 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

R6400: before 1.0.1.70

R7000: before 1.0.11.130

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External links
https://kb.netgear.com/000065370/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0196

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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.