Vulnerability Name:

CVE-2021-45609 (CCN-215892)

Assigned:2021-12-21
Published:2021-12-21
Updated:2022-01-07
Summary:Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6250 before 1.0.4.48, R7000 before 1.0.11.116, R7100LG before 1.0.0.64, R7900 before 1.0.4.38, R8300 before 1.0.2.144, R8500 before 1.0.2.144, XR300 before 1.0.3.68, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.
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
9.6 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
8.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/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): Changed
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-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-45609

Source: XF
Type: UNKNOWN
netgear-psv20200274-bo(215892)

Source: MISC
Type: Patch, Vendor Advisory
https://kb.netgear.com/000064483/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0274

Source: CCN
Type: NETGEAR Security Advisory: PSV-2020-0274
Security Advisory for Pre-Authentication Buffer Overflow on Some Routers

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:d8500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.58)
  • AND
  • cpe:/h:netgear:d8500:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:r6250_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.48)
  • AND
  • cpe:/h:netgear:r6250:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:r7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.11.116)
  • AND
  • cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.2.132)
  • AND
  • cpe:/h:netgear:r7000p:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.2.132)
  • AND
  • cpe:/h:netgear:r6900p:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netgear:r7900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.38)
  • AND
  • cpe:/h:netgear:r7900:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netgear:r8300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.144)
  • AND
  • cpe:/h:netgear:r8300:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netgear:r8500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.144)
  • AND
  • cpe:/h:netgear:r8500:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.64)
  • AND
  • cpe:/h:netgear:r7100lg:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netgear:xr300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.68)
  • AND
  • cpe:/h:netgear:xr300:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netgear:r7900_firmware:1.0.3:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7000_firmware:1.0.9:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7000p_firmware:1.3.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6900p_firmware:1.3.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6900p_firmware:1.3.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7000p_firmware:1.3.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7100lg_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:d8500_firmware:1.0.3:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6250_firmware:1.0.4:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7900_firmware:1.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6900p_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7000p_firmware:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7900_firmware:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7000_firmware:1.0.7:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6900p_firmware:1.0.1.16:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7000p_firmware:1.0.1.16:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6900p_firmware:1.2.0.22:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7000p_firmware:1.2.0.22:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7100lg_firmware:1.0.0.31:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r8300_firmware:1.0.2.103:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r8500_firmware:1.0.2.103:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r6900p_firmware:1.0.0.55:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7000_firmware:1.0.9.6_1.2.19:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7000_firmware:1.0.11.100_10.2.10:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:xr300_firmware:1.0.3.50_10.3.36:*:*:*:*:*:*:*
  • OR cpe:/o:netgear:r7900_firmware:1.0.4.30:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear d8500 firmware *
    netgear d8500 -
    netgear r6250 firmware *
    netgear r6250 -
    netgear r7000 firmware *
    netgear r7000 -
    netgear r7000p firmware *
    netgear r7000p -
    netgear r6900p firmware *
    netgear r6900p -
    netgear r7900 firmware *
    netgear r7900 -
    netgear r8300 firmware *
    netgear r8300 -
    netgear r8500 firmware *
    netgear r8500 -
    netgear r7100lg firmware *
    netgear r7100lg -
    netgear xr300 firmware *
    netgear xr300 -
    netgear r7900 firmware 1.0.3
    netgear r7000 firmware 1.0.9
    netgear r7000p firmware 1.3.0
    netgear r6900p firmware 1.3.0
    netgear r6900p firmware 1.3.1
    netgear r7000p firmware 1.3.1
    netgear r7100lg firmware 1.0.0
    netgear d8500 firmware 1.0.3
    netgear r6250 firmware 1.0.4
    netgear r7900 firmware 1.0.2
    netgear r6900p firmware 1.0.0
    netgear r7000p firmware 1.0.0
    netgear r7900 firmware 1.0.1
    netgear r7000 firmware 1.0.7
    netgear r6900p firmware 1.0.1.16
    netgear r7000p firmware 1.0.1.16
    netgear r6900p firmware 1.2.0.22
    netgear r7000p firmware 1.2.0.22
    netgear r7100lg firmware 1.0.0.31
    netgear r8300 firmware 1.0.2.103
    netgear r8500 firmware 1.0.2.103
    netgear r6900p firmware 1.0.0.55
    netgear r7000 firmware 1.0.9.6_1.2.19
    netgear r7000 firmware 1.0.11.100_10.2.10
    netgear xr300 firmware 1.0.3.50_10.3.36
    netgear r7900 firmware 1.0.4.30