Vulnerability Name:

CVE-2019-20684 (CCN-180437)

Assigned:2019-12-03
Published:2019-12-03
Updated:2020-04-21
Summary:Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.75, D6000 before 1.0.0.75, D6200 before 1.1.00.32, D7000 before 1.0.1.68, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.38, R6050 before 1.0.1.18, R6080 before 1.0.0.38, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6260 before 1.1.0.40, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, WNR2020 before 1.1.0.62, and XR500 before 2.3.2.32.
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-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-20684

Source: XF
Type: UNKNOWN
netgear-cve201920684-bo(180437)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0297
Security Advisory for Pre-Authentication Stack Overflow on Some Routers and Gateways

Source: CONFIRM
Type: Vendor Advisory
https://kb.netgear.com/000061455/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2018-0297

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:d3600_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.75)
  • AND
  • cpe:/h:netgear:d3600:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:d6000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.75)
  • AND
  • cpe:/h:netgear:d6000:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:d6200_firmware:*:*:*:*:*:*:*:* (Version < 1.1.00.32)
  • AND
  • cpe:/h:netgear:d6200:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:d7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.68)
  • AND
  • cpe:/h:netgear:d7000:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netgear:jr6150_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.18)
  • AND
  • cpe:/h:netgear:jr6150:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netgear:pr2000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.28)
  • AND
  • cpe:/h:netgear:pr2000:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netgear:r6020_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.38)
  • AND
  • cpe:/h:netgear:r6020:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netgear:r6050_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.18)
  • AND
  • cpe:/h:netgear:r6050:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netgear:r6080_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.38)
  • AND
  • cpe:/h:netgear:r6080:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netgear:r6120_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.46)
  • AND
  • cpe:/h:netgear:r6120:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:netgear:r6220_firmware:*:*:*:*:*:*:*:* (Version < 1.1.0.80)
  • AND
  • cpe:/h:netgear:r6220:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:netgear:r6260_firmware:*:*:*:*:*:*:*:* (Version < 1.1.0.40)
  • AND
  • cpe:/h:netgear:r6260:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:netgear:r6700_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.36)
  • AND
  • cpe:/h:netgear:r6700:v2:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:netgear:r6800_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.36)
  • AND
  • cpe:/h:netgear:r6800:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:netgear:r6900_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.36)
  • AND
  • cpe:/h:netgear:r6900:v2:*:*:*:*:*:*:*

    • Configuration 16:
  • cpe:/o:netgear:wnr2020_firmware:*:*:*:*:*:*:*:* (Version < 1.1.0.62)
  • AND
  • cpe:/h:netgear:wnr2020:-:*:*:*:*:*:*:*

    • Configuration 17:
  • cpe:/o:netgear:xr500_firmware:*:*:*:*:*:*:*:* (Version < 2.3.2.32)
  • AND
  • cpe:/h:netgear:xr500:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netgear:xr500_firmware:2.3.2:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:d7000_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:jr6150_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6900v2_firmware:1.2.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6800_firmware:1.2.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6260_firmware:1.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:d6200_firmware:1.1.00:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6120_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:pr2000_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6700v2_firmware:1.2.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6220_firmware:1.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6050_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:d6000_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:d3600_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wnr2020_firmware:1.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6080_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6020_firmware:1.0.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear d3600 firmware *
    netgear d3600 -
    netgear d6000 firmware *
    netgear d6000 -
    netgear d6200 firmware *
    netgear d6200 -
    netgear d7000 firmware *
    netgear d7000 -
    netgear jr6150 firmware *
    netgear jr6150 -
    netgear pr2000 firmware *
    netgear pr2000 -
    netgear r6020 firmware *
    netgear r6020 -
    netgear r6050 firmware *
    netgear r6050 -
    netgear r6080 firmware *
    netgear r6080 -
    netgear r6120 firmware *
    netgear r6120 -
    netgear r6220 firmware *
    netgear r6220 -
    netgear r6260 firmware *
    netgear r6260 -
    netgear r6700 firmware *
    netgear r6700 v2
    netgear r6800 firmware *
    netgear r6800 -
    netgear r6900 firmware *
    netgear r6900 v2
    netgear wnr2020 firmware *
    netgear wnr2020 -
    netgear xr500 firmware *
    netgear xr500 -
    netgear xr500 firmware 2.3.2
    netgear d7000 firmware 1.0.1
    netgear jr6150 firmware 1.0.1
    netgear r6900v2 firmware 1.2.0
    netgear r6800 firmware 1.2.0
    netgear r6260 firmware 1.1.0
    netgear d6200 firmware 1.1.00
    netgear r6120 firmware 1.0.0
    netgear pr2000 firmware 1.0.0
    netgear r6700v2 firmware 1.2.0
    netgear r6220 firmware 1.1.0
    netgear r6050 firmware 1.0.1
    netgear d6000 firmware 1.0.0
    netgear d3600 firmware 1.0.0
    netgear wnr2020 firmware 1.1.0
    netgear r6080 firmware 1.0.0
    netgear r6020 firmware 1.0.0