Vulnerability Name:

CVE-2021-38529 (CCN-204051)

Assigned:2021-06-17
Published:2021-06-17
Updated:2021-08-18
Summary:Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D7800 before 1.0.1.56, R7800 before 1.0.2.68, R8900 before 1.0.4.26, and R9000 before 1.0.4.26.
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
8.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L)
7.2 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/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): Low
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
8.0 High (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:C/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Partial
Vulnerability Type:CWE-77
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-38529

Source: XF
Type: UNKNOWN
netgear-psv20180616-cmd-exec(204051)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0616
Security Advisory for Pre-Authentication Command Injection on Some Routers and Gateways

Source: MISC
Type: Vendor Advisory
https://kb.netgear.com/000063765/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-and-Gateways-PSV-2018-0616

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:d7800_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.56)
  • AND
  • cpe:/h:netgear:d7800:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:r7800_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.68)
  • AND
  • cpe:/h:netgear:r7800:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:r8900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.26)
  • AND
  • cpe:/h:netgear:r8900:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:r9000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.26)
  • AND
  • cpe:/h:netgear:r9000:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:r9000:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7800:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r8900:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:d7800:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear d7800 firmware *
    netgear d7800 -
    netgear r7800 firmware *
    netgear r7800 -
    netgear r8900 firmware *
    netgear r8900 -
    netgear r9000 firmware *
    netgear r9000 -
    netgear r9000 -
    netgear r7800 -
    netgear r8900 -
    netgear d7800 -