Vulnerability Name:

CVE-2017-18739 (CCN-180682)

Assigned:2017-11-20
Published:2017-11-20
Updated:2020-04-23
Summary:Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 before V1.1.0.48.
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-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-18739

Source: XF
Type: UNKNOWN
netgear-cve201718739-bo(180682)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2017-0670
Security Advisory for Pre-Authentication Buffer Overflow on Some Routers

Source: CONFIRM
Type: Vendor Advisory
https://kb.netgear.com/000051516/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2017-0670

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:r6220_firmware:*:*:*:*:*:*:*:* (Version < 1.1.0.50)
  • AND
  • cpe:/h:netgear:r6220:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:r7800_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.36)
  • AND
  • cpe:/h:netgear:r7800:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:wndr3400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.14)
  • AND
  • cpe:/h:netgear:wndr3400:v3:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:* (Version < 1.1.0.48)
  • AND
  • cpe:/h:netgear:wndr3700:v5:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netgear:r7800_firmware:1.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6220_firmware:1.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wndr3400v3_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wndr3700v5_firmware:1.1.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear r6220 firmware *
    netgear r6220 -
    netgear r7800 firmware *
    netgear r7800 -
    netgear wndr3400 firmware *
    netgear wndr3400 v3
    netgear wndr3700 firmware *
    netgear wndr3700 v5
    netgear r7800 firmware 1.0.2
    netgear r6220 firmware 1.1.0
    netgear wndr3400v3 firmware 1.0.1
    netgear wndr3700v5 firmware 1.1.0