Vulnerability Name:

CVE-2021-45534 (CCN-214317)

Assigned:2021-11-30
Published:2021-11-30
Updated:2022-01-07
Summary:Certain NETGEAR devices are affected by command injection by an authenticated user. This affects AC2100 before 1.2.0.88, AC2400 before 1.2.0.88, AC2600 before 1.2.0.88, D7000 before 1.0.1.82, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.84, R6330 before 1.1.0.84, R6350 before 1.1.0.84, R6700v2 before 1.2.0.88, R6800 before 1.2.0.88, R6850 before 1.1.0.84, R6900v2 before 1.2.0.88, R7200 before 1.2.0.88, R7350 before 1.2.0.88, R7400 before 1.2.0.88, and R7450 before 1.2.0.88.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
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
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
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-2021-45534

Source: XF
Type: UNKNOWN
netgear-psv20210172-cmd-exec(214317)

Source: MISC
Type: Third Party Advisory
https://immersivelabs.com/resources/blog/netgear-vulnerabilities-could-put-small-business-routers-at-risk/

Source: MISC
Type: Patch, Vendor Advisory
https://kb.netgear.com/000064406/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0172

Source: CCN
Type: NETGEAR Security Advisory: PSV-2021-0172
Security Advisory for Post-Authentication Command Injection on Some Routers and DSL Modem Routers

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:ac2100_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.88)
  • AND
  • cpe:/h:netgear:ac2100:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:ac2400_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.88)
  • AND
  • cpe:/h:netgear:ac2400:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:ac2600_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.88)
  • AND
  • cpe:/h:netgear:ac2600:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:d7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.82)
  • AND
  • cpe:/h:netgear:d7000:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netgear:r6220_firmware:*:*:*:*:*:*:*:* (Version < 1.1.0.110)
  • AND
  • cpe:/h:netgear:r6220:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netgear:r6230_firmware:*:*:*:*:*:*:*:* (Version < 1.1.0.110)
  • AND
  • cpe:/h:netgear:r6230:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netgear:r6260_firmware:*:*:*:*:*:*:*:* (Version < 1.1.0.84)
  • AND
  • cpe:/h:netgear:r6260:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netgear:r6330_firmware:*:*:*:*:*:*:*:* (Version < 1.1.0.84)
  • AND
  • cpe:/h:netgear:r6330:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netgear:r6350_firmware:*:*:*:*:*:*:*:* (Version < 1.1.0.84)
  • AND
  • cpe:/h:netgear:r6350:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.88)
  • AND
  • cpe:/h:netgear:r6700v2:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:netgear:r6800_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.88)
  • AND
  • cpe:/h:netgear:r6800:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:netgear:r6850_firmware:*:*:*:*:*:*:*:* (Version < 1.1.0.84)
  • AND
  • cpe:/h:netgear:r6850:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.88)
  • AND
  • cpe:/h:netgear:r6900v2:-:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:netgear:r7200_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.88)
  • AND
  • cpe:/h:netgear:r7200:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:netgear:r7350_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.88)
  • AND
  • cpe:/h:netgear:r7350:-:*:*:*:*:*:*:*

    • Configuration 16:
  • cpe:/o:netgear:r7400_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.88)
  • AND
  • cpe:/h:netgear:r7400:-:*:*:*:*:*:*:*

    • Configuration 17:
  • cpe:/o:netgear:r7450_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.88)
  • AND
  • cpe:/h:netgear:r7450:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:netgear:r6700:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6900:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6220:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6350:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6800:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6260:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:d7000:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:ac2100:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:ac2400:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6230:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7450:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7200:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7350:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7400:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6330:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear ac2100 firmware *
    netgear ac2100 -
    netgear ac2400 firmware *
    netgear ac2400 -
    netgear ac2600 firmware *
    netgear ac2600 -
    netgear d7000 firmware *
    netgear d7000 -
    netgear r6220 firmware *
    netgear r6220 -
    netgear r6230 firmware *
    netgear r6230 -
    netgear r6260 firmware *
    netgear r6260 -
    netgear r6330 firmware *
    netgear r6330 -
    netgear r6350 firmware *
    netgear r6350 -
    netgear r6700v2 firmware *
    netgear r6700v2 -
    netgear r6800 firmware *
    netgear r6800 -
    netgear r6850 firmware *
    netgear r6850 -
    netgear r6900v2 firmware *
    netgear r6900v2 -
    netgear r7200 firmware *
    netgear r7200 -
    netgear r7350 firmware *
    netgear r7350 -
    netgear r7400 firmware *
    netgear r7400 -
    netgear r7450 firmware *
    netgear r7450 -
    netgear r6700 -
    netgear r6900 -
    netgear r6220 -
    netgear r6350 -
    netgear r6800 -
    netgear r6260 -
    netgear d7000 -
    netgear ac2100 -
    netgear ac2400 -
    netgear r6230 -
    netgear r7450 -
    netgear r7200 -
    netgear r7350 -
    netgear r7400 -
    netgear r6330 -