Vulnerability Name:

CVE-2021-45525 (CCN-210120)

Assigned:2021-09-25
Published:2021-09-25
Updated:2022-01-07
Summary:Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX7000 before 1.0.1.80, R6400 before 1.0.1.50, R6400v2 before 1.0.4.118, R6700 before 1.0.2.8, R6700v3 before 1.0.4.118, R6900 before 1.0.2.8, R6900P before 1.3.2.124, R7000 before 1.0.9.88, R7000P before 1.3.2.124, R7900 before 1.0.3.18, R7900P before 1.4.1.50, R8000 before 1.0.4.46, R8000P before 1.4.1.50, RAX80 before 1.0.1.56, and WNR3500Lv2 before 1.2.0.62.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N)
5.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/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): None
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
7.1 High (CCN CVSS v2 Vector: AV:A/AC:L/Au:S/C:C/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-45525

Source: XF
Type: UNKNOWN
netgear-psv20180618-bo(210120)

Source: MISC
Type: Patch, Vendor Advisory
https://kb.netgear.com/000064052/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Extenders-PSV-2018-0618

Source: CCN
Type: NETGEAR Security Advisory: PSV-2018-0618
Security Advisory for Post-Authentication Buffer Overflow on Some Routers and Extenders

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:ex7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.80)
  • AND
  • cpe:/h:netgear:ex7000:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.50)
  • AND
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.118)
  • AND
  • cpe:/h:netgear:r6400v2:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netgear:r6700_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.8)
  • AND
  • cpe:/h:netgear:r6700:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.118)
  • AND
  • cpe:/h:netgear:r6700v3:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netgear:r6900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.8)
  • AND
  • cpe:/h:netgear:r6900:-:*:*:*:*:*:*:*

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

    • Configuration 8:
  • cpe:/o:netgear:r7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.9.88)
  • AND
  • cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* (Version < 1.3.2.124)
  • AND
  • cpe:/h:netgear:r7000p:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netgear:r7900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.18)
  • AND
  • cpe:/h:netgear:r7900:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.1.50)
  • AND
  • cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:netgear:r8000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.46)
  • AND
  • cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.1.50)
  • AND
  • cpe:/h:netgear:r8000p:-:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:netgear:rax80_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.56)
  • AND
  • cpe:/h:netgear:rax80:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:netgear:wnr3500lv2_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.62)
  • AND
  • cpe:/h:netgear:wnr3500lv2:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:netgear:r6800:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6260:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6700:v2:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6900:v2:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:ac2100:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:ac2400:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:ac2600:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7450:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear ex7000 firmware *
    netgear ex7000 -
    netgear r6400 firmware *
    netgear r6400 -
    netgear r6400v2 firmware *
    netgear r6400v2 -
    netgear r6700 firmware *
    netgear r6700 -
    netgear r6700v3 firmware *
    netgear r6700v3 -
    netgear r6900 firmware *
    netgear r6900 -
    netgear r6900p firmware *
    netgear r6900p -
    netgear r7000 firmware *
    netgear r7000 -
    netgear r7000p firmware *
    netgear r7000p -
    netgear r7900 firmware *
    netgear r7900 -
    netgear r7900p firmware *
    netgear r7900p -
    netgear r8000 firmware *
    netgear r8000 -
    netgear r8000p firmware *
    netgear r8000p -
    netgear rax80 firmware *
    netgear rax80 -
    netgear wnr3500lv2 firmware *
    netgear wnr3500lv2 -
    netgear r6800 -
    netgear r6260 -
    netgear r6700 v2
    netgear r6900 v2
    netgear ac2100 -
    netgear ac2400 -
    netgear ac2600 -
    netgear r7450 -