Vulnerability Name:

CVE-2021-45529 (CCN-210103)

Assigned:2021-09-25
Published:2021-09-25
Updated:2022-01-06
Summary:Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects CBR40 before 2.3.5.12, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.2.124, R7000P before 1.3.2.124, R7900 before 1.0.4.30, R8000 before 1.0.4.52, and WNR3500Lv2 before 1.2.0.62.
CVSS v3 Severity:7.2 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
6.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): High
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
5.7 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Complete
Vulnerability Type:CWE-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-45529

Source: XF
Type: UNKNOWN
netgear-psv20190077-bo(210103)

Source: MISC
Type: Patch, Vendor Advisory
https://kb.netgear.com/000064058/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0077

Source: CCN
Type: NETGEAR Security Advisory: PSV-2019-0077
Security Advisory for Post-Authentication Buffer Overflow on Some Routers

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:cbr40_firmware:*:*:*:*:*:*:*:* (Version < 2.3.5.12)
  • AND
  • cpe:/h:netgear:cbr40:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:d7000v2_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.66)
  • AND
  • cpe:/h:netgear:d7000v2:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:d8500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.58)
  • AND
  • cpe:/h:netgear:d8500:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.70)
  • AND
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/o:netgear:r7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.11.126)
  • AND
  • cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*

  • Configuration 6:
  • cpe:/o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.2.124)
  • AND
  • cpe:/h:netgear:r7000p:-:*:*:*:*:*:*:*

  • Configuration 7:
  • cpe:/o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.2.124)
  • AND
  • cpe:/h:netgear:r6900p:-:*:*:*:*:*:*:*

  • Configuration 8:
  • cpe:/o:netgear:r7900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.30)
  • AND
  • cpe:/h:netgear:r7900:-:*:*:*:*:*:*:*

  • Configuration 9:
  • cpe:/o:netgear:r8000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.52)
  • AND
  • cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*

  • Configuration 10:
  • cpe:/o:netgear:wnr3500lv2_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.62)
  • AND
  • cpe:/h:netgear:wnr3500lv2:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:d8500:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7000p:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:cbr40:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7900:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6900p:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:d7000:v2:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear cbr40 firmware *
    netgear cbr40 -
    netgear d7000v2 firmware *
    netgear d7000v2 -
    netgear d8500 firmware *
    netgear d8500 -
    netgear r6400 firmware *
    netgear r6400 -
    netgear r7000 firmware *
    netgear r7000 -
    netgear r7000p firmware *
    netgear r7000p -
    netgear r6900p firmware *
    netgear r6900p -
    netgear r7900 firmware *
    netgear r7900 -
    netgear r8000 firmware *
    netgear r8000 -
    netgear wnr3500lv2 firmware *
    netgear wnr3500lv2 -
    netgear d8500 -
    netgear r7000p -
    netgear r8000 -
    netgear r6400 -
    netgear cbr40 -
    netgear r7000 -
    netgear r7900 -
    netgear r6900p -
    netgear d7000 v2