CVE-2021-45527

CVSS V2 Medium 6.5 CVSS V3 Critical 9.8
Description
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, DC112A before 1.0.0.54, EX7000 before 1.0.1.94, EX7500 before 1.0.0.72, R6250 before 1.0.4.48, R6300v2 before 1.0.4.52, R6400 before 1.0.1.70, R6400v2 before 1.0.4.102, R6700v3 before 1.0.4.102, R7000 before 1.0.11.116, R7100LG before 1.0.0.64, R7850 before 1.0.5.68, R7900 before 1.0.4.30, R7960P before 1.4.1.68, R8000 before 1.0.4.52, RAX200 before 1.0.2.88, RBS40V before 2.6.2.4, RS400 before 1.5.1.80, XR300 before 1.0.3.56, R7000P before 1.3.2.124, R8000P before 1.4.1.68, R8500 before 1.0.2.144, RAX80 before 1.0.3.102, R6900P before 1.3.2.124, R7900P before 1.4.1.68, R8300 before 1.0.2.144, RAX75 before 1.0.3.102, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, and RBK852 before 3.2.17.12.
Overview
  • CVE ID
  • CVE-2021-45527
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-26T01:15:14
  • Last Modified Date
  • 2022-01-10T15:07:55
Weakness Enumerations
CWE URL
CWE-120 http://cwe.mitre.org/data/definitions/120.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.17.12
cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.17.12
cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.17.12
cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.17.12
cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.17.12
cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* 1 OR 3.2.17.12
cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.68
cpe:2.3:h:netgear:d6220:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.102
cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:d7000v2_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.66
cpe:2.3:h:netgear:d7000v2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.3.58
cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.54
cpe:2.3:h:netgear:dc112a:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.1.94
cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:ex7500_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.72
cpe:2.3:h:netgear:ex7500:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r6250_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.4.48
cpe:2.3:h:netgear:r6250:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r6300v2_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.4.52
cpe:2.3:h:netgear:r6300v2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.1.70
cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.4.102
cpe:2.3:h:netgear:r6400v2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.4.102
cpe:2.3:h:netgear:r6700v3:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.11.116
cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.0.64
cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r7850_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.5.68
cpe:2.3:h:netgear:r7850:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.4.30
cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:* 1 OR 1.4.1.68
cpe:2.3:h:netgear:r7960p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.4.52
cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.2.88
cpe:2.3:h:netgear:rax200:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.3.102
cpe:2.3:h:netgear:rax75:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.3.102
cpe:2.3:h:netgear:rax80:-:*:*:*:*:*:*:* 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:xr300_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.3.56
cpe:2.3:h:netgear:xr300:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:* 1 OR 1.5.1.80
cpe:2.3:h:netgear:rs400:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* 1 OR 1.3.2.124
cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* 1 OR 1.4.1.68
cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.2.144
cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* 1 OR 1.3.2.124
cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* 1 OR 1.4.1.68
cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:* 1 OR 1.0.2.144
cpe:2.3:h:netgear:r8300:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 6.4
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/000064493/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0437 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-45527
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45527
History
Created Old Value New Value Data Type Notes
2022-05-10 06:37:57 Added to TrackCVE
2022-12-06 04:54:56 2021-12-26T01:15Z 2021-12-26T01:15:14 CVE Published Date updated
2022-12-06 04:54:56 2022-01-10T15:07:55 CVE Modified Date updated
2022-12-06 04:54:57 Analyzed Vulnerability Status updated