Remote code execution in NETGEAR Routers and WiFi Systems

1) Buffer overflow

EUVDB-ID: #VU70572

Risk: Low

CVSSv3.1: 7.3 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/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 user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote administrator on the local network can trigger memory corruption 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 1.0.11.116

EAX80: before 1.0.1.64

R8000: before 1.0.4.68

R7900: before 1.0.4.38

R6400v2: before 1.0.4.122

RAX200: before 1.0.6.138

RAX75: before 1.0.6.138

RAX80: before 1.0.6.138

R7000P: before 1.3.3.152

R7960P: before 1.4.4.94

R8000P: before 1.4.4.94

External links

http://kb.netgear.com/000065483/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-WiFi-Systems-PSV-2020-0333

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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