Vulnerability Name:

CVE-2021-45611 (CCN-215902)

Assigned:2021-12-21
Published:2021-12-21
Updated:2022-01-07
Summary:Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects DC112A before 1.0.0.52, R6400 before 1.0.1.68, RAX200 before 1.0.3.106, WNDR3400v3 before 1.0.1.38, XR300 before 1.0.3.68, R8500 before 1.0.2.144, RAX75 before 1.0.3.106, R8300 before 1.0.2.144, and RAX80 before 1.0.3.106.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.6 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
8.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
8.3 High (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-45611

Source: XF
Type: UNKNOWN
netgear-psv20200323-bo(215902)

Source: MISC
Type: Patch, Vendor Advisory
https://kb.netgear.com/000064488/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0323

Source: CCN
Type: NETGEAR Security Advisory: PSV-2020-0323
Security Advisory for Pre-Authentication Buffer Overflow on Some Routers

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:dc112a_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.52)
  • AND
  • cpe:/h:netgear:dc112a:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.68)
  • AND
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:r8300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.144)
  • AND
  • cpe:/h:netgear:r8300:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:r8500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.144)
  • AND
  • cpe:/h:netgear:r8500:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netgear:wndr3400v3_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.38)
  • AND
  • cpe:/h:netgear:wndr3400v3:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netgear:xr300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.68)
  • AND
  • cpe:/h:netgear:xr300:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netgear:rax200_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.106)
  • AND
  • cpe:/h:netgear:rax200:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netgear:rax75_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.106)
  • AND
  • cpe:/h:netgear:rax75:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netgear:rax80_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.106)
  • AND
  • cpe:/h:netgear:rax80:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netgear:r8500_firmware:1.0.2.86_1.0.75:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r8500_firmware:1.0.2.94_1.0.79:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6400_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wndr3400v3_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6400_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6400_firmware:1.1.0.26:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r8300_firmware:1.0.2.103:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r8500_firmware:1.0.2.103:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:xr300_firmware:1.0.3.50_10.3.36:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:rax80_firmware:1.0.3.102:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear dc112a firmware *
    netgear dc112a -
    netgear r6400 firmware *
    netgear r6400 -
    netgear r8300 firmware *
    netgear r8300 -
    netgear r8500 firmware *
    netgear r8500 -
    netgear wndr3400v3 firmware *
    netgear wndr3400v3 -
    netgear xr300 firmware *
    netgear xr300 -
    netgear rax200 firmware *
    netgear rax200 -
    netgear rax75 firmware *
    netgear rax75 -
    netgear rax80 firmware *
    netgear rax80 -
    netgear r8500 firmware 1.0.2.86_1.0.75
    netgear r8500 firmware 1.0.2.94_1.0.79
    netgear r6400 firmware 1.0.1
    netgear wndr3400v3 firmware 1.0.1
    netgear r6400 firmware 1.0.1
    netgear r6400 firmware 1.1.0.26
    netgear r8300 firmware 1.0.2.103
    netgear r8500 firmware 1.0.2.103
    netgear xr300 firmware 1.0.3.50_10.3.36
    netgear rax80 firmware 1.0.3.102