Vulnerability Name:

CVE-2021-45546 (CCN-215998)

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 R7850 before 1.0.5.74, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.4.120, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, and RBS850 before 3.2.17.12.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/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): Low
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:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): 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-2021-45546

Source: XF
Type: UNKNOWN
netgear-psv20200566-cmd-exec(215998)

Source: MISC
Type: Patch, Vendor Advisory
https://kb.netgear.com/000064524/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0566

Source: CCN
Type: NETGEAR Security Advisory: PSV-2020-0566
Security Advisory for Post-Authentication Command Injection on Some Routers and WiFi Systems

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:r7850_firmware:*:*:*:*:*:*:*:* (Version < 1.0.5.74)
  • AND
  • cpe:/h:netgear:r7850:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.2.84)
  • AND
  • cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:r7960p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.2.84)
  • AND
  • cpe:/h:netgear:r7960p:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:r8000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.74)
  • AND
  • cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.2.84)
  • AND
  • cpe:/h:netgear:r8000p:-:*:*:*:*:*:*:*

  • Configuration 6:
  • cpe:/o:netgear:rax200_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.120)
  • AND
  • cpe:/h:netgear:rax200:-:*:*:*:*:*:*:*

  • Configuration 7:
  • cpe:/o:netgear:rax75_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.120)
  • AND
  • cpe:/h:netgear:rax75:-:*:*:*:*:*:*:*

  • Configuration 8:
  • cpe:/o:netgear:rax80_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.120)
  • AND
  • cpe:/h:netgear:rax80:-:*:*:*:*:*:*:*

  • Configuration 9:
  • cpe:/o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbk852:-:*:*:*:*:*:*:*

  • Configuration 10:
  • cpe:/o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbr850:-:*:*:*:*:*:*:*

  • Configuration 11:
  • cpe:/o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbs850:-:*:*:*:*:*:*:*

  • Configuration 12:
  • cpe:/o:netgear:rbk752_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbk752:-:*:*:*:*:*:*:*

  • Configuration 13:
  • cpe:/o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbr750:-:*:*:*:*:*:*:*

  • Configuration 14:
  • cpe:/o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbs750:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbk752:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbr750:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbs750:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbk852:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbr850:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbs850:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7850:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7960p:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rax200:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rax75:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rax80:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r8000p:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear r7850 firmware *
    netgear r7850 -
    netgear r7900p firmware *
    netgear r7900p -
    netgear r7960p firmware *
    netgear r7960p -
    netgear r8000 firmware *
    netgear r8000 -
    netgear r8000p firmware *
    netgear r8000p -
    netgear rax200 firmware *
    netgear rax200 -
    netgear rax75 firmware *
    netgear rax75 -
    netgear rax80 firmware *
    netgear rax80 -
    netgear rbk852 firmware *
    netgear rbk852 -
    netgear rbr850 firmware *
    netgear rbr850 -
    netgear rbs850 firmware *
    netgear rbs850 -
    netgear rbk752 firmware *
    netgear rbk752 -
    netgear rbr750 firmware *
    netgear rbr750 -
    netgear rbs750 firmware *
    netgear rbs750 -
    netgear r8000 -
    netgear rbk752 -
    netgear rbr750 -
    netgear rbs750 -
    netgear rbk852 -
    netgear rbr850 -
    netgear rbs850 -
    netgear r7850 -
    netgear r7960p -
    netgear rax200 -
    netgear rax75 -
    netgear rax80 -
    netgear r8000p -
    netgear r7900p -