Remote code execution in NETGEAR Routers

1) Buffer overflow

EUVDB-ID: #VU64836

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

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

R8000: before 1.0.4.76

R7000P: before 1.3.3.148

R6900P: before 1.3.3.148

CPE2.3

• cpe:2.3:h:netgear:r8000:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r7000p:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r6900p:*:*:*:*:*:*:*:*

External links

https://kb.netgear.com/000065027/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0313

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).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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