Vulnerability Name:

CVE-2020-26907 (CCN-189646)

Assigned:2020-09-17
Published:2020-09-17
Updated:2020-10-16
Summary:Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, and RBS850 before 3.2.16.6.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.4 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.6 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
9.2 Critical (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.7 High (CVSS v2 Vector: AV:A/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
8.3 High (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): None
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-2020-26907

Source: XF
Type: UNKNOWN
netgear-cve202026907-cmd-exec(189646)

Source: CCN
Type: NETGEAR Article ID: 000062347
Security Advisory for Pre-Authentication Command Injection on Some WiFi Systems, PSV-2020-0264

Source: MISC
Type: Vendor Advisory
https://kb.netgear.com/000062347/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0264

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* (Version < 3.2.16.6)
  • AND
  • cpe:/h:netgear:rbk852:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* (Version < 3.2.16.6)
  • AND
  • cpe:/h:netgear:rbr850:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* (Version < 3.2.16.6)
  • AND
  • cpe:/h:netgear:rbs850:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:netgear:rbk852:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbr850:-:*:*:*:*:*:*:*
  • OR cpe:/h:netgear:rbs850:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    netgear rbk852 firmware *
    netgear rbk852 -
    netgear rbr850 firmware *
    netgear rbr850 -
    netgear rbs850 firmware *
    netgear rbs850 -
    netgear rbk852 -
    netgear rbr850 -
    netgear rbs850 -