Vulnerability Name:

CVE-2021-45543 (CCN-215994)

Assigned:2021-12-22
Published:2021-12-22
Updated:2022-01-06
Summary:Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, R7900P before 1.4.2.84, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBK852 before 3.2.17.12.
CVSS v3 Severity:6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/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): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/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): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:5.2 Medium (CVSS v2 Vector: AV:A/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.7 High (CCN CVSS v2 Vector: AV:A/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-77
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-45543

Source: XF
Type: UNKNOWN
netgear-psv20200541-cmd-exec(215994)

Source: MISC
Type: Patch, Vendor Advisory
https://kb.netgear.com/000064517/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0541

Source: CCN
Type: NETGEAR Security Advisory: PSV-2020-0541
Security Advisory for Post-Authentication Command Injection on Some Routers and WiFi Systems

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:r8000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.74)
  • AND
  • cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.2.84)
  • AND
  • cpe:/h:netgear:r8000p:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:rax200_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.120)
  • AND
  • cpe:/h:netgear:rax200:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:r7900p_firmware:1.4.2.84:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbr850:-:*:*:*:*:*:*:*

  • Configuration 6:
  • cpe:/o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbs850:-:*:*:*:*:*:*:*

  • Configuration 7:
  • cpe:/o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbk852:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbk852:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbr850:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbs850:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rax200:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r8000p:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear r8000 firmware *
    netgear r8000 -
    netgear r8000p firmware *
    netgear r8000p -
    netgear rax200 firmware *
    netgear rax200 -
    netgear r7900p firmware 1.4.2.84
    netgear r7900p -
    netgear rbr850 firmware *
    netgear rbr850 -
    netgear rbs850 firmware *
    netgear rbs850 -
    netgear rbk852 firmware *
    netgear rbk852 -
    netgear r8000 -
    netgear rbk852 -
    netgear rbr850 -
    netgear rbs850 -
    netgear rax200 -
    netgear r8000p -
    netgear r7900p -