Vulnerability Name:

CVE-2017-18850 (CCN-138837)

Assigned:2018-02-07
Published:2018-02-07
Updated:2020-04-23
Summary:Certain NETGEAR devices are affected by authentication bypass. This affects D6220 before 1.0.0.26, D6400 before 1.0.0.60, D8500 before 1.0.3.29, R6250 before 1.0.4.12, R6400 before 1.01.24, R6400v2 before 1.0.2.30, R6700 before 1.0.1.22, R6900 before 1.0.1.22, R6900P before 1.0.0.56, R7000 before 1.0.9.4, R7000P before 1.0.0.56, R7100LG before 1.0.0.32, R7300DST before 1.0.0.54, R7900 before 1.0.1.18, R8000 before 1.0.3.44, R8300 before 1.0.2.100_1.0.82, and R8500 before 1.0.2.100_1.0.82.
CVSS v3 Severity:8.4 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-287
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-18850

Source: XF
Type: UNKNOWN
netgear-r8500router-command-exec(138837)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2017-1208
Security Advisory for Authentication Bypass on Some Routers or Modem Routers

Source: CONFIRM
Type: Vendor Advisory
https://kb.netgear.com/000048998/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-or-Modem-Routers-PSV-2017-1208

Source: CCN
Type: Trustwave SpiderLabs Security Advisory TWSL2018-003
Vulnerabilities in NETGEAR R8500 router firmware

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:d6220_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.26)
  • AND
  • cpe:/h:netgear:d6220:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:d6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.60)
  • AND
  • cpe:/h:netgear:d6400:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:d8500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.29)
  • AND
  • cpe:/h:netgear:d8500:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:r6250_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.12)
  • AND
  • cpe:/h:netgear:r6250:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.01.24)
  • AND
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.30)
  • AND
  • cpe:/h:netgear:r6400:v2:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netgear:r6700_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.22)
  • AND
  • cpe:/h:netgear:r6700:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netgear:r6900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.22)
  • AND
  • cpe:/h:netgear:r6900:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.56)
  • AND
  • cpe:/h:netgear:r6900p:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netgear:r7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.9.4)
  • AND
  • cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.56)
  • AND
  • cpe:/h:netgear:r7000p:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.32)
  • AND
  • cpe:/h:netgear:r7100lg:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:netgear:r7300dst_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.54)
  • AND
  • cpe:/h:netgear:r7300dst:-:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:netgear:r7900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.18)
  • AND
  • cpe:/h:netgear:r7900:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:netgear:r8000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.44)
  • AND
  • cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*

    • Configuration 16:
  • cpe:/o:netgear:r8300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.100_1.0.82)
  • AND
  • cpe:/h:netgear:r8300:-:*:*:*:*:*:*:*

    • Configuration 17:
  • cpe:/o:netgear:r8500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.100_1.0.82)
  • AND
  • cpe:/h:netgear:r8500:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netgear:r8500_firmware:1.0.2.94_1.0.79:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear d6220 firmware *
    netgear d6220 -
    netgear d6400 firmware *
    netgear d6400 -
    netgear d8500 firmware *
    netgear d8500 -
    netgear r6250 firmware *
    netgear r6250 -
    netgear r6400 firmware *
    netgear r6400 -
    netgear r6400 firmware *
    netgear r6400 v2
    netgear r6700 firmware *
    netgear r6700 -
    netgear r6900 firmware *
    netgear r6900 -
    netgear r6900p firmware *
    netgear r6900p -
    netgear r7000 firmware *
    netgear r7000 -
    netgear r7000p firmware *
    netgear r7000p -
    netgear r7100lg firmware *
    netgear r7100lg -
    netgear r7300dst firmware *
    netgear r7300dst -
    netgear r7900 firmware *
    netgear r7900 -
    netgear r8000 firmware *
    netgear r8000 -
    netgear r8300 firmware *
    netgear r8300 -
    netgear r8500 firmware *
    netgear r8500 -
    netgear r8500 firmware 1.0.2.94_1.0.79