Denial of service in NETGEAR Routers

1) Buffer overflow

EUVDB-ID: #VU73746

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

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

External links

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

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.