#VU73746 Buffer overflow in NETGEAR products

Vulnerability identifier: #VU73746

Vulnerability risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/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-119

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
CBR40
Hardware solutions / Routers & switches, VoIP, GSM, etc
LAX20
Hardware solutions / Routers & switches, VoIP, GSM, etc
MK62
Hardware solutions / Routers & switches, VoIP, GSM, etc
MR60
Hardware solutions / Routers & switches, VoIP, GSM, etc
MS60
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBW30
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6700v3
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX200
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX75
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX80
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6400
Hardware solutions / Routers for home users
R6400v2
Hardware solutions / Routers for home users
R7000
Hardware solutions / Routers for home users
R7000P
Hardware solutions / Routers for home users
RS400
Hardware solutions / Routers for home users

Vendor: NETGEAR

Description

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

The vulnerability exists due to a boundary error. A remote attacker on the local network can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CBR40: before 2.5.0.24

LAX20: before 1.1.6.34

MK62: before 1.1.6.122

MR60: before 1.1.6.122

MS60: before 1.1.6.122

RBW30: before 2.6.2.6

R6400: before 1.0.1.70

R6400v2: before 1.0.4.118

R6700v3: before 1.0.4.118

R7000: before 1.0.11.130

R7000P: before 1.3.3.148

RAX200: before 1.0.4.120

RAX75: before 1.0.4.120

RAX80: before 1.0.4.120

RS400: before 1.5.1.86

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External links
https://kb.netgear.com/000065571/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0578

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

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