Stack-based buffer overflow in NETGEAR products - #VU70116

Vulnerability identifier: #VU70116

CSH Severity: Medium

CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: N/A

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

R6020
R6080
R6120
R6850
R6260
R6330
R6350
R6220
R6230

Install updates from vendor's website.

R6020 - update to 1.0.0.54
R6080 - update to 1.0.0.54
R6120 - update to 1.0.0.84
R6850 - update to 1.1.0.88
R6260 - update to 1.1.0.88
R6330 - update to 1.1.0.88
R6350 - update to 1.1.0.88
R6220 - update to 1.1.0.114
R6230 - update to 1.1.0.114

• https://kb.netgear.com/000065356/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2021-0347

• Stack-based buffer overflow in NETGEAR Routers