CVE-2021-45626
CRITICALNETGEAR RBK20/RBR20/RBS20/RBK40/RBR40/RBS40/RBK50/RBR50/RBS50/RBS50Y Firmware - Unauthenticated OS Command Injection
Title source: llmDescription
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK20 before 2.6.1.36, RBR20 before 2.6.1.36, RBS20 before 2.6.1.38, RBK40 before 2.6.1.36, RBR40 before 2.6.1.36, RBS40 before 2.6.1.38, RBK50 before 2.6.1.40, RBR50 before 2.6.1.40, RBS50 before 2.6.1.40, and RBS50Y before 2.6.1.40.
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://kb.netgear.com/000064068/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2019-0152
Scores
CVSS v3
9.6
EPSS
0.0021
EPSS Percentile
43.2%
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-77
Status
published
Products (10)
netgear/rbk20_firmware
< 2.6.1.38
netgear/rbk40_firmware
< 2.6.1.38
netgear/rbk50_firmware
< 2.6.1.40
netgear/rbr20_firmware
< 2.6.1.36
netgear/rbr40_firmware
< 2.6.1.36
netgear/rbr50_firmware
< 2.6.1.40
netgear/rbs20_firmware
< 2.6.1.38
netgear/rbs40_firmware
< 2.6.1.38
netgear/rbs50_firmware
< 2.6.1.40
netgear/rbs50y_firmware
< 2.6.1.40
Published
Dec 26, 2021
Tracked Since
Feb 18, 2026