Vulnerability Name:

CVE-2021-45629 (CCN-210534)

Assigned:2021-09-26
Published:2021-09-26
Updated:2022-01-05
Summary:Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/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): Adjacent
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:5.8 Medium (CVSS v2 Vector: AV:A/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_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-77
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-45629

Source: XF
Type: UNKNOWN
netgear-psv20200488-cmd-exec(210534)

Source: MISC
Type: Patch, Vendor Advisory
https://kb.netgear.com/000064132/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0488

Source: CCN
Type: NETGEAR Security Advisory: PSV-2020-0488
Security Advisory for Pre-Authentication Command Injection on Some WiFi Systems

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:cbr750_firmware:*:*:*:*:*:*:*:* (Version < 4.6.3.6)
  • AND
  • cpe:/h:netgear:cbr750:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:rbk752_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbk752:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbr750:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbs750:-:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbk852:-:*:*:*:*:*:*:*

  • Configuration 6:
  • cpe:/o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbr850:-:*:*:*:*:*:*:*

  • Configuration 7:
  • cpe:/o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* (Version < 3.2.17.12)
  • AND
  • cpe:/h:netgear:rbs850:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:rbr750:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbs850:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:cbr40:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbk752:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbk852:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbr850:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear cbr750 firmware *
    netgear cbr750 -
    netgear rbk752 firmware *
    netgear rbk752 -
    netgear rbr750 firmware *
    netgear rbr750 -
    netgear rbs750 firmware *
    netgear rbs750 -
    netgear rbk852 firmware *
    netgear rbk852 -
    netgear rbr850 firmware *
    netgear rbr850 -
    netgear rbs850 firmware *
    netgear rbs850 -
    netgear rbr750 -
    netgear rbs850 -
    netgear cbr40 -
    netgear rbk752 -
    netgear rbk852 -
    netgear rbr850 -