Vulnerability Name:

CVE-2018-21228 (CCN-180709)

Assigned:2018-02-20
Published:2018-02-20
Updated:2020-04-28
Summary:Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.34, EX6100v2 before 1.0.1.50, EX6150v2 before 1.0.1.50, EX6200v2 before 1.0.1.44, EX6400 before 1.0.1.60, EX7300 before 1.0.1.60, R6100 before 1.0.1.16, R7500 before 1.0.0.110, R7800 before 1.0.2.32, R9000 before 1.0.2.30, WN3000RPv3 before 1.0.2.50, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.
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
6.8 Medium (CCN 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 (CCN 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
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-74
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-21228

Source: XF
Type: UNKNOWN
netgear-cve201821228-cmd-exec(180709)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2017-0607
Security Advisory for Post-Authentication Command Injection on Some Routers, Gateways, and Extenders

Source: CONFIRM
Type: Vendor Advisory
https://kb.netgear.com/000055106/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-Gateways-and-Extenders-PSV-2017-0607

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:d7800_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.34)
  • AND
  • cpe:/h:netgear:d7800:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:ex6100_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.50)
  • AND
  • cpe:/h:netgear:ex6100:v2:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:ex6150_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.50)
  • AND
  • cpe:/h:netgear:ex6150:v2:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:ex6200_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.44)
  • AND
  • cpe:/h:netgear:ex6200:v2:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netgear:ex6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.60)
  • AND
  • cpe:/h:netgear:ex6400:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netgear:ex7300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.60)
  • AND
  • cpe:/h:netgear:ex7300:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netgear:r6100_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.16)
  • AND
  • cpe:/h:netgear:r6100:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netgear:r7500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.110)
  • AND
  • cpe:/h:netgear:r7500:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netgear:r7800_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.32)
  • AND
  • cpe:/h:netgear:r7800:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netgear:r9000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.30)
  • AND
  • cpe:/h:netgear:r9000:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.50)
  • AND
  • cpe:/h:netgear:wn3000rp:v3:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.50)
  • AND
  • cpe:/h:netgear:wndr4300:v2:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.50)
  • AND
  • cpe:/h:netgear:wndr4500:v3:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netgear:r7800_firmware:1.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:d7800_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wndr4300v2_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wndr4500v3_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:ex6200v2_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:ex6100v2_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:ex6150v2_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wn3000rpv3_firmware:1.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6100_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7500_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:ex6400_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:ex7300_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r9000_firmware:1.0.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear d7800 firmware *
    netgear d7800 -
    netgear ex6100 firmware *
    netgear ex6100 v2
    netgear ex6150 firmware *
    netgear ex6150 v2
    netgear ex6200 firmware *
    netgear ex6200 v2
    netgear ex6400 firmware *
    netgear ex6400 -
    netgear ex7300 firmware *
    netgear ex7300 -
    netgear r6100 firmware *
    netgear r6100 -
    netgear r7500 firmware *
    netgear r7500 -
    netgear r7800 firmware *
    netgear r7800 -
    netgear r9000 firmware *
    netgear r9000 -
    netgear wn3000rp firmware *
    netgear wn3000rp v3
    netgear wndr4300 firmware *
    netgear wndr4300 v2
    netgear wndr4500 firmware *
    netgear wndr4500 v3
    netgear r7800 firmware 1.0.2
    netgear d7800 firmware 1.0.1
    netgear wndr4300v2 firmware 1.0.0
    netgear wndr4500v3 firmware 1.0.0
    netgear ex6200v2 firmware 1.0.1
    netgear ex6100v2 firmware 1.0.1
    netgear ex6150v2 firmware 1.0.1
    netgear wn3000rpv3 firmware 1.0.2
    netgear r6100 firmware 1.0.1
    netgear r7500 firmware 1.0.0
    netgear ex6400 firmware 1.0.1
    netgear ex7300 firmware 1.0.1
    netgear r9000 firmware 1.0.2