Vulnerability Name:

CVE-2018-21123 (CCN-180566)

Assigned:2018-09-26
Published:2018-09-26
Updated:2020-04-24
Summary:Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects WC7500 before 6.5.3.9, WC7520 before 6.5.3.9, WC7600v1 before 6.5.3.9, and WC7600v2 before 6.5.3.9.
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
8.8 High (CCN 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 (CCN 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
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-74
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-21123

Source: XF
Type: UNKNOWN
netgear-cve201821123-cmd-exec(180566)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0230
Security Advisory for Pre-Authentication Command Injection on Some Wireless Controllers

Source: CONFIRM
Type: Vendor Advisory
https://kb.netgear.com/000060235/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Wireless-Controllers-PSV-2018-0230

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:wc7500_firmware:*:*:*:*:*:*:*:* (Version < 6.5.3.9)
  • AND
  • cpe:/h:netgear:wc7500:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:wc7520_firmware:*:*:*:*:*:*:*:* (Version < 6.5.3.9)
  • AND
  • cpe:/h:netgear:wc7520:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:wc7600_firmware:*:*:*:*:*:*:*:* (Version < 6.5.3.9)
  • AND
  • cpe:/h:netgear:wc7600:v1:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:wc7600_firmware:*:*:*:*:*:*:*:* (Version < 6.5.3.9)
  • AND
  • cpe:/h:netgear:wc7600:v2:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netgear:wc7500_firmware:6.5.3.9:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wc7600v1_firmware:6.5.3:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wc7600v2_firmware:6.5.3:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wc7520_firmware:6.5.3.9:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear wc7500 firmware *
    netgear wc7500 -
    netgear wc7520 firmware *
    netgear wc7520 -
    netgear wc7600 firmware *
    netgear wc7600 v1
    netgear wc7600 firmware *
    netgear wc7600 v2
    netgear wc7500 firmware 6.5.3.9
    netgear wc7600v1 firmware 6.5.3
    netgear wc7600v2 firmware 6.5.3
    netgear wc7520 firmware 6.5.3.9