Buffer overflow in NETGEAR Routers

1) Buffer overflow

EUVDB-ID: #VU70090

Risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/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 local attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A local attacker 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

R6700v3: before 1.0.4.118

R6400: before 1.0.1.70

R6400v2: before 1.0.4.118

R7000: before 1.0.11.130

R7000P: before 1.3.3.148

CPE2.3

• cpe:2.3:h:netgear:r6700v3:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r6400:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r6400v2:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r7000:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r7000p:*:*:*:*:*:*:*:*

External links

https://kb.netgear.com/000065375/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0087

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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