Vulnerability Name:

CVE-2021-45528 (CCN-210095)

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 R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R6900 before 1.0.2.8, R7000 before 1.0.9.88, R7900 before 1.0.3.18, R8000 before 1.0.4.46, R7900P before 1.4.1.50, R8000P before 1.4.1.50, RAX75 before 1.0.3.88, RAX80 before 1.0.3.88, 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
8.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/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): 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
6.4 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-45528

Source: XF
Type: UNKNOWN
netgear-psv20190069-bo(210095)

Source: MISC
Type: Patch, Vendor Advisory
https://kb.netgear.com/000064057/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0069

Source: CCN
Type: NETGEAR Security Advisory: PSV-2019-0069
Security Advisory for Post-Authentication Buffer Overflow on Some Routers

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:r6300v2_firmware:*:*:*:*:*:*:*:* (Version <= 1.0.4.52)
  • AND
  • cpe:/h:netgear:r6300v2:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.52)
  • AND
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:r6900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.2.8)
  • AND
  • cpe:/h:netgear:r6900:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:r7000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.9.88)
  • AND
  • cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/o:netgear:r7900_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.18)
  • AND
  • cpe:/h:netgear:r7900:-:*:*:*:*:*:*:*

  • Configuration 6:
  • cpe:/o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.1.50)
  • AND
  • cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*

  • Configuration 7:
  • cpe:/o:netgear:r8000_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.46)
  • AND
  • cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*

  • Configuration 8:
  • cpe:/o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* (Version < 1.4.1.50)
  • AND
  • cpe:/h:netgear:r8000p:-:*:*:*:*:*:*:*

  • Configuration 9:
  • cpe:/o:netgear:rax75_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.88)
  • AND
  • cpe:/h:netgear:rax75:-:*:*:*:*:*:*:*

  • Configuration 10:
  • cpe:/o:netgear:rax80_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.88)
  • AND
  • cpe:/h:netgear:rax80:-:*:*:*:*:*:*:*

  • Configuration 11:
  • cpe:/o:netgear:wnr3500lv2_firmware:*:*:*:*:*:*:*:* (Version < 1.2.0.62)
  • AND
  • cpe:/h:netgear:wnr3500lv2:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:r6900:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6300:v2:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r8000:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7000:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rax75:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rax80:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:r7900p:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:wnr3500l:v2:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear r6300v2 firmware *
    netgear r6300v2 -
    netgear r6400 firmware *
    netgear r6400 -
    netgear r6900 firmware *
    netgear r6900 -
    netgear r7000 firmware *
    netgear r7000 -
    netgear r7900 firmware *
    netgear r7900 -
    netgear r7900p firmware *
    netgear r7900p -
    netgear r8000 firmware *
    netgear r8000 -
    netgear r8000p firmware *
    netgear r8000p -
    netgear rax75 firmware *
    netgear rax75 -
    netgear rax80 firmware *
    netgear rax80 -
    netgear wnr3500lv2 firmware *
    netgear wnr3500lv2 -
    netgear r6900 -
    netgear r6300 v2
    netgear r8000 -
    netgear r6400 -
    netgear r7000 -
    netgear rax75 -
    netgear rax80 -
    netgear r7900p -
    netgear wnr3500l v2