CVE-2021-38527

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.14, EX6100v2 before 1.0.1.98, EX6150v2 before 1.0.1.98, EX6250 before 1.0.0.132, EX6400 before 1.0.2.158, EX6400v2 before 1.0.0.132, EX6410 before 1.0.0.132, EX6420 before 1.0.0.132, EX7300 before 1.0.2.158, EX7300v2 before 1.0.0.132, EX7320 before 1.0.0.132, EX7700 before 1.0.0.216, EX8000 before 1.0.1.232, R7800 before 1.0.2.78, RBK12 before 2.6.1.44, RBR10 before 2.6.1.44, RBS10 before 2.6.1.44, RBK20 before 2.6.1.38, RBR20 before 2.6.1.36, RBS20 before 2.6.1.38, RBK40 before 2.6.1.38, 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, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, RBS40V before 2.6.2.4, RBS50Y before 2.6.1.40, RBW30 before 2.6.2.2, and XR500 before 2.3.2.114.
Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
mitreCNA
8.1 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AC:L/AV:A/A:N/C:H/I:H/PR:N/S:U/UI:N
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 83%
VendorProductVersion
netgearcbr40_firmware
𝑥
< 2.5.0.14
netgearex6100_firmware
𝑥
< 1.0.1.98
netgearex6150_firmware
𝑥
< 1.0.1.98
netgearex6250_firmware
𝑥
< 1.0.0.132
netgearex6400_firmware
𝑥
< 1.0.2.158
netgearex6400_firmware
𝑥
< 1.0.0.132
netgearex6410_firmware
𝑥
< 1.0.0.132
netgearex6420_firmware
𝑥
< 1.0.0.132
netgearex7300_firmware
𝑥
< 1.0.2.158
netgearex7300_firmware
𝑥
< 1.0.2.158
netgearex7320_firmware
𝑥
< 1.0.0.132
netgearex7700_firmware
𝑥
< 1.0.0.216
netgearex8000_firmware
𝑥
< 1.0.1.232
netgearr7800_firmware
𝑥
< 1.0.2.78
netgearrbk12_firmware
𝑥
< 2.6.1.44
netgearrbr10_firmware
𝑥
< 2.6.1.44
netgearrbs10_firmware
𝑥
< 2.6.1.44
netgearrbk20_firmware
𝑥
< 2.6.1.38
netgearrbr20_firmware
𝑥
< 2.6.1.36
netgearrbs20_firmware
𝑥
< 2.6.1.38
netgearrbk40_firmware
𝑥
< 2.6.1.38
netgearrbr40_firmware
𝑥
< 2.6.1.36
netgearrbs40_firmware
𝑥
< 2.6.1.38
netgearrbk50_firmware
𝑥
< 2.6.1.40
netgearrbr50_firmware
𝑥
< 2.6.1.40
netgearrbs50_firmware
𝑥
< 2.6.1.40
netgearrbk752_firmware
𝑥
< 3.2.16.6
netgearrbr750_firmware
𝑥
< 3.2.16.6
netgearrbs750_firmware
𝑥
< 3.2.16.6
netgearrbk852_firmware
𝑥
< 3.2.16.6
netgearrbr850_firmware
𝑥
< 3.2.16.6
netgearrbs850_firmware
𝑥
< 3.2.16.6
netgearrbs40v_firmware
𝑥
< 2.6.2.4
netgearrbs50y_firmware
𝑥
< 2.6.1.40
netgearrbw30_firmware
𝑥
< 2.6.2.2
netgearxr500_firmware
𝑥
< 2.3.2.114
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://kb.netgear.com/000063778/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Extenders-Routers-and-WiFi-Systems-PSV-2020-0025
https://kb.netgear.com/000063778/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Extenders-Routers-and-WiFi-Systems-PSV-2020-0025