CVE-2021-45638
CRITICALNETGEAR Multiple Routers - Unauthenticated Stack-based Buffer Overflow
Title source: llmDescription
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.
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464
Scores
CVSS v3
9.6
EPSS
0.0036
EPSS Percentile
58.3%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (14)
netgear/d6220_firmware
< 1.0.0.68
netgear/d6400_firmware
< 1.0.0.102
netgear/d7000v2_firmware
< 1.0.0.74
netgear/d8500_firmware
< 1.0.3.60
netgear/dc112a_firmware
< 1.0.0.56
netgear/r6300v2_firmware
< 1.0.4.50
netgear/r6400_firmware
< 1.0.1.68
netgear/r6900p_firmware
< 1.3.2.132
netgear/r7000_firmware
< 1.0.11.116
netgear/r7000p_firmware
< 1.3.2.132
... and 4 more
Published
Dec 26, 2021
Tracked Since
Feb 18, 2026