#VU64813 Stack-based buffer overflow in NETGEAR products

Vulnerability identifier: #VU64813

Vulnerability risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
R7000
Hardware solutions / Routers for home users
R7000P
Hardware solutions / Routers for home users
R6900P
Hardware solutions / Routers for home users
RS400
Hardware solutions / Routers for home users
EX7000
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. A remote user 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

R7000: before 1.0.11.130

R7000P: before 1.3.3.148

R6900P: before 1.3.3.148

EX7000: before 1.0.1.106

RS400: before 1.5.1.86

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External links
https://kb.netgear.com/000065044/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Extenders-PSV-2021-0205

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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