CVE-2021-45638
moderate-risk
Published 2021-12-26
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.74, D8500 before 1.0.3.60, DC112A before 1.0.0.56, R6300v2 before 1.0.4.50, R6400 before 1.0.1.68, R7000 before 1.0.11.116, R7100LG before 1.0.0.70, RBS40V before 2.6.2.8, RBW30 before 2.6.2.2, RS400 before 1.5.1.80, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.
Do I need to act?
-
0.36% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.6/10
Critical
ADJACENT_NETWORK
/ LOW complexity
Affected Products (14)
D7000V2 Firmware
R6300V2 Firmware
Rbs40V Firmware
Affected Vendors
48
/ 100
moderate-risk
Severity
29/34 · Critical
Exploitability
1/34 · Minimal
Exposure
18/34 · Moderate