Vulnerability Name:

CVE-2021-45550 (CCN-210119)

Assigned:2021-09-25
Published:2021-09-25
Updated:2022-01-05
Summary:Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.
CVSS v3 Severity:6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/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): Adjacent
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
6.6 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:R/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): High
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:5.2 Medium (CVSS v2 Vector: AV:A/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.2 High (CCN CVSS v2 Vector: AV:A/AC:L/Au:M/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): Multiple_Instances
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-77
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-45550

Source: XF
Type: UNKNOWN
netgear-psv20180376-cmd-exec(210119)

Source: MISC
Type: Vendor Advisory
https://kb.netgear.com/000064049/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2018-0376

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0376
Security Advisory for Post-Authentication Command Injection on Some Routers

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:d3600_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.76)
  • AND
  • cpe:/h:netgear:d3600:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:d6000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.78)
  • AND
  • cpe:/h:netgear:d6000:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:d6100_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.63)
  • AND
  • cpe:/h:netgear:d6100:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:d6220_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.52)
  • AND
  • cpe:/h:netgear:d6220:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netgear:d6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.86)
  • AND
  • cpe:/h:netgear:d6400:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netgear:d7800_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.56)
  • AND
  • cpe:/h:netgear:d7800:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netgear:d8500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.44)
  • AND
  • cpe:/h:netgear:d8500:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netgear:dgn2200b_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.109)
  • AND
  • cpe:/h:netgear:dgn2200b:v4:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netgear:dgn2200_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.110)
  • AND
  • cpe:/h:netgear:dgn2200:v4:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netgear:r6250_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.34)
  • AND
  • cpe:/h:netgear:r6250:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:netgear:r6300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.34)
  • AND
  • cpe:/h:netgear:r6300:v2:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.46)
  • AND
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.66)
  • AND
  • cpe:/h:netgear:r6400:v2:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:netgear:r6700_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.6)
  • AND
  • cpe:/h:netgear:r6700:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:netgear:r6700_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.66)
  • AND
  • cpe:/h:netgear:r6700:v3:*:*:*:*:*:*:*

    • Configuration 16:
  • cpe:/o:netgear:r6900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.4)
  • AND
  • cpe:/h:netgear:r6900:-:*:*:*:*:*:*:*

    • Configuration 17:
  • cpe:/o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.1.64)
  • AND
  • cpe:/h:netgear:r6900p:-:*:*:*:*:*:*:*

    • Configuration 18:
  • cpe:/o:netgear:r7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.9.42)
  • AND
  • cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*

    • Configuration 19:
  • cpe:/o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.1.64)
  • AND
  • cpe:/h:netgear:r7000p:-:*:*:*:*:*:*:*

    • Configuration 20:
  • cpe:/o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.50)
  • AND
  • cpe:/h:netgear:r7100lg:-:*:*:*:*:*:*:*

    • Configuration 21:
  • cpe:/o:netgear:r7300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.0.70)
  • AND
  • cpe:/h:netgear:r7300:-:*:*:*:*:*:*:*

    • Configuration 22:
  • cpe:/o:netgear:r7900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.8)
  • AND
  • cpe:/h:netgear:r7900:-:*:*:*:*:*:*:*

    • Configuration 23:
  • cpe:/o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.1.30)
  • AND
  • cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*

    • Configuration 24:
  • cpe:/o:netgear:r8000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.28)
  • AND
  • cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*

    • Configuration 25:
  • cpe:/o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.1.30)
  • AND
  • cpe:/h:netgear:r8000p:-:*:*:*:*:*:*:*

    • Configuration 26:
  • cpe:/o:netgear:r8300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.128)
  • AND
  • cpe:/h:netgear:r8300:-:*:*:*:*:*:*:*

    • Configuration 27:
  • cpe:/o:netgear:r8500_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.128)
  • AND
  • cpe:/h:netgear:r8500:-:*:*:*:*:*:*:*

    • Configuration 28:
  • cpe:/o:netgear:wndr3400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.24)
  • AND
  • cpe:/h:netgear:wndr3400:v3:*:*:*:*:*:*:*

    • Configuration 29:
  • cpe:/o:netgear:wnr3500l_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.62)
  • AND
  • cpe:/h:netgear:wnr3500l:v2:*:*:*:*:*:*:*

    • Configuration 30:
  • cpe:/o:netgear:xr500_firmware:*:*:*:*:*:*:*:* (Version < 2.3.2.56)
  • AND
  • cpe:/h:netgear:xr500:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:netgear:r6700:v2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear d3600 firmware *
    netgear d3600 -
    netgear d6000 firmware *
    netgear d6000 -
    netgear d6100 firmware *
    netgear d6100 -
    netgear d6220 firmware *
    netgear d6220 -
    netgear d6400 firmware *
    netgear d6400 -
    netgear d7800 firmware *
    netgear d7800 -
    netgear d8500 firmware *
    netgear d8500 -
    netgear dgn2200b firmware *
    netgear dgn2200b v4
    netgear dgn2200 firmware *
    netgear dgn2200 v4
    netgear r6250 firmware *
    netgear r6250 -
    netgear r6300 firmware *
    netgear r6300 v2
    netgear r6400 firmware *
    netgear r6400 -
    netgear r6400 firmware *
    netgear r6400 v2
    netgear r6700 firmware *
    netgear r6700 -
    netgear r6700 firmware *
    netgear r6700 v3
    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 r7300 firmware *
    netgear r7300 -
    netgear r7900 firmware *
    netgear r7900 -
    netgear r7900p firmware *
    netgear r7900p -
    netgear r8000 firmware *
    netgear r8000 -
    netgear r8000p firmware *
    netgear r8000p -
    netgear r8300 firmware *
    netgear r8300 -
    netgear r8500 firmware *
    netgear r8500 -
    netgear wndr3400 firmware *
    netgear wndr3400 v3
    netgear wnr3500l firmware *
    netgear wnr3500l v2
    netgear xr500 firmware *
    netgear xr500 -
    netgear r6700 v2