Stack-based buffer overflow in NETGEAR products - #VU73697

Vulnerability identifier: #VU73697

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: N/A

CWE-ID: CWE-121

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote administrator on the local network can trigger stack-based buffer overflow and cause a denial of service condition on the target system.

R8000
R6400v2
R7000
R6900P
R7000P
RS400
R6700v3
C7000v2

Install updates from vendor's website.

R8000 - update to 1.0.4.84
R6400v2 - update to 1.0.4.106
R6700v3 - update to 1.0.4.106
R7000 - update to 1.0.11.130
R6900P - update to 1.3.3.148
R7000P - update to 1.3.3.148
C7000v2 - update to 1.03.08
RS400 - update to 1.5.1.86

• https://kb.netgear.com/000065564/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0325

• Stack-based buffer overflow in NETGEAR Routers