CVE-2021-45527 : Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before 1.0.0.68,

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.

Published 2021-12-26 01:15:14

Updated 2022-01-10 15:07:55

Source MITRE

View at NVD, CVE.org

Vulnerability category: Overflow

Exploit prediction scoring system (EPSS) score for CVE-2021-45527

EPSS FAQ

0.23%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 60 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-45527

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.6	CRITICAL	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	2.8	6.0	MITRE
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-45527

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-45527

Products affected by CVE-2021-45527

Netgear » R6400 Firmware
Versions before (<) 1.0.1.70
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6400 » Version: N/A
Netgear » R7000 Firmware
Versions before (<) 1.0.11.116
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7000 » Version: N/A
Netgear » R7100lg Firmware
Versions before (<) 1.0.0.64
cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7100lg » Version: N/A
Netgear » R7900 Firmware
Versions before (<) 1.0.4.30
cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7900 » Version: N/A
Netgear » R8000 Firmware
Versions before (<) 1.0.4.52
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8000 » Version: N/A
Netgear » D6220 Firmware
Versions before (<) 1.0.0.68
cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » D6220 » Version: N/A
Netgear » D6400 Firmware
Versions before (<) 1.0.0.102
cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » D6400 » Version: N/A
Netgear » R6250 Firmware
Versions before (<) 1.0.4.48
cpe:2.3:o:netgear:r6250_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6250 » Version: N/A
Netgear » Ex7000 Firmware
Versions before (<) 1.0.1.94
cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7000 » Version: N/A
Netgear » R8300 Firmware
Versions before (<) 1.0.2.144
cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8300 » Version: N/A
Netgear » R8500 Firmware
Versions before (<) 1.0.2.144
cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8500 » Version: N/A
Netgear » R7000p Firmware
Versions before (<) 1.3.2.124
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7000p » Version: N/A
Netgear » R6900p Firmware
Versions before (<) 1.3.2.124
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6900p » Version: N/A
Netgear » D8500 Firmware
Versions before (<) 1.0.3.58
cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » D8500 » Version: N/A
Netgear » R7900p Firmware
Versions before (<) 1.4.1.68
cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7900p » Version: N/A
Netgear » R8000p Firmware
Versions before (<) 1.4.1.68
cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8000p » Version: N/A
Netgear » Dc112a Firmware
Versions before (<) 1.0.0.54
cpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Dc112a » Version: N/A
Netgear » R6300v2 Firmware
Versions before (<) 1.0.4.52
cpe:2.3:o:netgear:r6300v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6300v2 » Version: N/A
Netgear » Ex7500 Firmware
Versions before (<) 1.0.0.72
cpe:2.3:o:netgear:ex7500_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7500 » Version: N/A
Netgear » Rbr850 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr850 » Version: N/A
Netgear » Rbk852 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk852 » Version: N/A
Netgear » Rbs850 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs850 » Version: N/A
Netgear » Rbs40v Firmware
Versions before (<) 2.6.2.4
cpe:2.3:o:netgear:rbs40v_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs40v » Version: N/A
Netgear » Rbk752 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk752 » Version: N/A
Netgear » Rbr750 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr750 » Version: N/A
Netgear » Rbs750 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs750 » Version: N/A
Netgear » R7960p Firmware
Versions before (<) 1.4.1.68
cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7960p » Version: N/A
Netgear » Rax75 Firmware
Versions before (<) 1.0.3.102
cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax75 » Version: N/A
Netgear » Rax80 Firmware
Versions before (<) 1.0.3.102
cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax80 » Version: N/A
Netgear » R7850 Firmware
Versions before (<) 1.0.5.68
cpe:2.3:o:netgear:r7850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7850 » Version: N/A
Netgear » Rax200 Firmware
Versions before (<) 1.0.2.88
cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax200 » Version: N/A
Netgear » Rs400 Firmware
Versions before (<) 1.5.1.80
cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rs400 » Version: N/A
Netgear » Xr300 Firmware
Versions before (<) 1.0.3.56
cpe:2.3:o:netgear:xr300_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Xr300 » Version: N/A
Netgear » R6400v2 Firmware
Versions before (<) 1.0.4.102
cpe:2.3:o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6400v2 » Version: N/A
Netgear » R6700v3 Firmware
Versions before (<) 1.0.4.102
cpe:2.3:o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6700v3 » Version: N/A
Netgear » D7000v2 Firmware
Versions before (<) 1.0.0.66
cpe:2.3:o:netgear:d7000v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » D7000v2 » Version: N/A

Vulnerability Details : CVE-2021-45527

Exploit prediction scoring system (EPSS) score for CVE-2021-45527

CVSS scores for CVE-2021-45527

CWE ids for CVE-2021-45527

References for CVE-2021-45527

Products affected by CVE-2021-45527