Denial of service in NETGEAR Routers



Published: 2022-04-11

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU62041

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

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 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

AC2100: before 1.2.0.90

AC2400: before 1.2.0.90

AC2600: 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


CPE2.3 External links

http://kb.netgear.com/000064817/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2021-0272

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.



###SIDEBAR###