Vulnerability Name:

CVE-2018-21133 (CCN-180574)

Assigned:2018-09-26
Published:2018-09-26
Updated:2021-08-10
Summary:Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects WAC505 before 5.0.0.17 and WAC510 before 5.0.0.17.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): 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-2018-21133

Source: XF
Type: UNKNOWN
netgear-cve201821133-bo(180574)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0326
Security Advisory for Pre-Authentication Stack Overflow on Some Wireless Access Points

Source: CONFIRM
Type: Vendor Advisory
https://kb.netgear.com/000060227/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Wireless-Access-Points-PSV-2018-0326

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:wac505_firmware:*:*:*:*:*:*:*:* (Version < 5.0.0.17)
  • AND
  • cpe:/h:netgear:wac505:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:wac510_firmware:*:*:*:*:*:*:*:* (Version < 5.0.0.17)
  • AND
  • cpe:/h:netgear:wac510:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:netgear:wac505_firmware:5.0.0.17:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wac740_firmware:5.0.0.17:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wac730_firmware:5.0.0.17:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wac720_firmware:5.0.0.17:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wnd930_firmware:5.0.0.17:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:wac510_firmware:5.0.0.17:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear wac505 firmware *
    netgear wac505 -
    netgear wac510 firmware *
    netgear wac510 -
    netgear wac505 firmware 5.0.0.17
    netgear wac740 firmware 5.0.0.17
    netgear wac730 firmware 5.0.0.17
    netgear wac720 firmware 5.0.0.17
    netgear wnd930 firmware 5.0.0.17
    netgear wac510 firmware 5.0.0.17