CVE-2021-38527

CVSS V2 High 10 CVSS V3 Critical 9.8
Description
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.
Overview
  • CVE ID
  • CVE-2021-38527
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-08-11T00:16:18
  • Last Modified Date
  • 2021-08-19T18:37:36
Weakness Enumerations
CWE URL
CWE-77 http://cwe.mitre.org/data/definitions/77.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:* 1 OR 2.5.0.14
cpe:2.3:h:netgear:cbr40:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.1.98
cpe:2.3:h:netgear:ex6100:v2:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.1.98
cpe:2.3:h:netgear:ex6150:v2:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex6250_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.132
cpe:2.3:h:netgear:ex6250:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.2.158
cpe:2.3:h:netgear:ex6400:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.132
cpe:2.3:h:netgear:ex6400:v2:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex6410_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.132
cpe:2.3:h:netgear:ex6410:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex6420_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.132
cpe:2.3:h:netgear:ex6420:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.2.158
cpe:2.3:h:netgear:ex7300:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.2.158
cpe:2.3:h:netgear:ex7300:v2:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex7320_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.132
cpe:2.3:h:netgear:ex7320:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex7700_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.216
cpe:2.3:h:netgear:ex7700:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.1.232
cpe:2.3:h:netgear:ex8000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.2.78
cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbk12_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.44
cpe:2.3:h:netgear:rbk12:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbr10_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.44
cpe:2.3:h:netgear:rbr10:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbs10_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.44
cpe:2.3:h:netgear:rbs10:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.38
cpe:2.3:h:netgear:rbk20:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.36
cpe:2.3:h:netgear:rbr20:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.38
cpe:2.3:h:netgear:rbs20:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.38
cpe:2.3:h:netgear:rbk40:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbr40_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.36
cpe:2.3:h:netgear:rbr40:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbs40_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.38
cpe:2.3:h:netgear:rbs40:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.40
cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.40
cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.40
cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.16.6
cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.16.6
cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.16.6
cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.16.6
cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.16.6
cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.16.6
cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbs40v_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.2.4
cpe:2.3:h:netgear:rbs40v:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.1.40
cpe:2.3:h:netgear:rbs50y:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbw30_firmware:*:*:*:*:*:*:*:* 1 OR 2.6.2.2
cpe:2.3:h:netgear:rbw30:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:* 1 OR 2.3.2.114
cpe:2.3:h:netgear:xr500:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 10
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://kb.netgear.com/000063778/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Extenders-Routers-and-WiFi-Systems-PSV-2020-0025 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-38527
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38527
History
Created Old Value New Value Data Type Notes
2022-05-10 06:56:37 Added to TrackCVE
2022-12-05 07:52:59 2021-08-11T00:16Z 2021-08-11T00:16:18 CVE Published Date updated
2022-12-05 07:52:59 2021-08-19T18:37:36 CVE Modified Date updated
2022-12-05 07:52:59 Analyzed Vulnerability Status updated