CVE-2021-45638

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-45638
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.74, D8500 before 1.0.3.60, DC112A before 1.0.0.56, R6300v2 before 1.0.4.50, R6400 before 1.0.1.68, R7000 before 1.0.11.116, R7100LG before 1.0.0.70, RBS40V before 2.6.2.8, RBW30 before 2.6.2.2, RS400 before 1.5.1.80, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.

9.6 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.5 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464 Patch Vendor Advisory
https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464 Patch Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:d6220:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:netgear:d7000v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:d7000v2:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:dc112a:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:netgear:r6300v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6300v2:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:netgear:rbs40v_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rbs40v:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:netgear:rbw30_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rbw30:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rs400:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:32

Type Values Removed Values Added
CVSS v2 : 7.5
v3 : 9.8 		v2 : 7.5
v3 : 9.6
References () https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464 - Patch, Vendor Advisory () https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464 - Patch, Vendor Advisory

10 Jan 2022, 20:17

Type Values Removed Values Added
References (MISC) https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464 - (MISC) https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464 - Patch, Vendor Advisory
CWE CWE-787
CVSS v2 : unknown
v3 : unknown 		v2 : 7.5
v3 : 9.8
CPE cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:d6220:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:d7000v2:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rbs40v:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6300v2:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:dc112a:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6300v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rbw30:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rbw30_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rs400:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rbs40v_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:d7000v2_firmware:*:*:*:*:*:*:*:*

26 Dec 2021, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-12-26 01:15

Updated : 2024-11-21 06:32

NVD link : CVE-2021-45638

Mitre link : CVE-2021-45638

CVE.ORG link : CVE-2021-45638

JSON object : View

Products Affected

netgear

  • d7000v2_firmware
  • d6400_firmware
  • r6400_firmware
  • rbs40v_firmware
  • r7100lg
  • r6400
  • r6300v2
  • rbw30
  • r6300v2_firmware
  • d8500
  • dc112a
  • r6900p_firmware
  • rs400
  • r7000
  • d6400
  • r7100lg_firmware
  • r7000_firmware
  • rbw30_firmware
  • d8500_firmware
  • r7000p
  • dc112a_firmware
  • d7000v2
  • rs400_firmware
  • r7000p_firmware
  • d6220
  • rbs40v
  • d6220_firmware
  • r6900p
CWE
CWE-787

Out-of-bounds Write