Vulnerability Name:

CVE-2019-20762 (CCN-180378)

Assigned:2019-03-11
Published:2019-03-11
Updated:2020-04-22
Summary:Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D8500 before 1.0.3.43, R8500 before 1.0.2.128, R8300 before 1.0.2.128, R8000 before 1.0.4.28, R7300DST before 1.0.0.68, R7100LG before 1.0.0.48, R6900P before 1.3.1.44, R7900P before 1.4.1.30, R8000P before 1.4.1.30, R7000P before 1.3.1.44, R7000 before 1.0.9.34, R6900 before 1.0.2.4, R6700 before 1.0.2.6, and R6400 before 1.0.1.44.
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-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-20762

Source: XF
Type: UNKNOWN
netgear-cve201920762-bo(180378)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0197
Security Advisory for Post-Authentication Buffer Overflow on Some Routers, Modem Routers, and Gateways

Source: CONFIRM
Type: Vendor Advisory
https://kb.netgear.com/000060637/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-Modem-Routers-and-Gateways-PSV-2018-0197

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:d8500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.43)
  • AND
  • cpe:/h:netgear:d8500:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:r8500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.128)
  • AND
  • cpe:/h:netgear:r8500:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:r8300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.128)
  • AND
  • cpe:/h:netgear:r8300:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:r8000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.28)
  • AND
  • cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netgear:r7300dst_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.68)
  • AND
  • cpe:/h:netgear:r7300dst:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.48)
  • AND
  • cpe:/h:netgear:r7100lg:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.1.44)
  • AND
  • cpe:/h:netgear:r6900p:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.1.30)
  • AND
  • cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.1.30)
  • AND
  • cpe:/h:netgear:r8000p:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.1.44)
  • AND
  • cpe:/h:netgear:r7000p:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:netgear:r7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.9.34)
  • AND
  • cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:netgear:r6900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.4)
  • AND
  • cpe:/h:netgear:r6900:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:netgear:r6700_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.6)
  • AND
  • cpe:/h:netgear:r6700:-:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.44)
  • AND
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netgear:r6700_firmware:1.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6900_firmware:1.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7000_firmware:1.0.9:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r8300:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r8500:-:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7300dst_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6400_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6900p_firmware:1.3.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7000p_firmware:1.3.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r8000_firmware:1.0.4:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7100lg_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7900p_firmware:1.4.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:d8500_firmware:1.0.3:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r8000p_firmware:1.4.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear d8500 firmware *
    netgear d8500 -
    netgear r8500 firmware *
    netgear r8500 -
    netgear r8300 firmware *
    netgear r8300 -
    netgear r8000 firmware *
    netgear r8000 -
    netgear r7300dst firmware *
    netgear r7300dst -
    netgear r7100lg firmware *
    netgear r7100lg -
    netgear r6900p firmware *
    netgear r6900p -
    netgear r7900p firmware *
    netgear r7900p -
    netgear r8000p firmware *
    netgear r8000p -
    netgear r7000p firmware *
    netgear r7000p -
    netgear r7000 firmware *
    netgear r7000 -
    netgear r6900 firmware *
    netgear r6900 -
    netgear r6700 firmware *
    netgear r6700 -
    netgear r6400 firmware *
    netgear r6400 -
    netgear r6700 firmware 1.0.2
    netgear r6900 firmware 1.0.2
    netgear r7000 firmware 1.0.9
    netgear r8300 -
    netgear r8500 -
    netgear r7300dst firmware 1.0.0
    netgear r6400 firmware 1.0.1
    netgear r6900p firmware 1.3.1
    netgear r7000p firmware 1.3.1
    netgear r8000 firmware 1.0.4
    netgear r7100lg firmware 1.0.0
    netgear r7900p firmware 1.4.1
    netgear d8500 firmware 1.0.3
    netgear r8000p firmware 1.4.1