#VU61928 Input validation error in NETGEAR products

Vulnerability identifier: #VU61928

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
AC2100
Hardware solutions / Routers for home users
AC2400
Hardware solutions / Routers for home users
R6700v2
Hardware solutions / Routers for home users
R6900v2
Hardware solutions / Routers for home users
R7200
Hardware solutions / Routers for home users
R7350
Hardware solutions / Routers for home users
R7400
Hardware solutions / Routers for home users
R7450
Hardware solutions / Routers for home users
D7000
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6120
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6220
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6230
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6260
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6330
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6350
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6850
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: NETGEAR

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

AC2100: before 1.2.0.90

AC2400: before 1.2.0.90

D7000: before 1.0.1.84

R6120: before 1.0.0.82

R6220: before 1.1.0.112

R6230: before 1.1.0.112

R6260: before 1.1.0.86

R6330: before 1.1.0.86

R6350: before 1.1.0.86

R6700v2: before 1.2.0.90

R6850: before 1.1.0.86

R6900v2: before 1.2.0.90

R7200: before 1.2.0.90

R7350: before 1.2.0.90

R7400: before 1.2.0.90

R7450: before 1.2.0.90

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External links
https://kb.netgear.com/000064818/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2021-0273

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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 Internet.

Is there known malware, which exploits this vulnerability?

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