Vulnerability Name:

CVE-2021-38517 (CCN-204030)

Assigned:2021-06-17
Published:2021-06-17
Updated:2021-08-19
Summary:Certain NETGEAR devices are affected by out-of-bounds reads and writes. This affects R6400 before 1.0.1.70, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, and XR300 before 1.0.3.50.
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
6.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:H)
6.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:L/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): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
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
6.2 Medium (CCN CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:P/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Complete
Vulnerability Type:CWE-125
CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-38517

Source: XF
Type: UNKNOWN
netgear-routers-code-exec(204030)

Source: CCN
Type: NETGEAR Security Advisory: PSV-2019-0187
Security Advisory for Out of Bounds Read and Write on Some Routers

Source: MISC
Type: Vendor Advisory
https://kb.netgear.com/000063772/Security-Advisory-for-Out-of-Bounds-Read-and-Write-on-Some-Routers-PSV-2019-0187

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:r6400_firmware:*:*:*:*:*:*:*:* (Version < 1.0.1.70)
  • AND
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:rax75_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.120)
  • AND
  • cpe:/h:netgear:rax75:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:rax80_firmware:*:*:*:*:*:*:*:* (Version < 1.0.4.120)
  • AND
  • cpe:/h:netgear:rax80:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netgear:xr300_firmware:*:*:*:*:*:*:*:* (Version < 1.0.3.50)
  • AND
  • cpe:/h:netgear:xr300:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:r6400:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:xr300:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rax75:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rax80:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear r6400 firmware *
    netgear r6400 -
    netgear rax75 firmware *
    netgear rax75 -
    netgear rax80 firmware *
    netgear rax80 -
    netgear xr300 firmware *
    netgear xr300 -
    netgear r6400 -
    netgear xr300 -
    netgear rax75 -
    netgear rax80 -