Vulnerability Name:

CVE-2019-20488 (CCN-177112)

Assigned:2019-08-01
Published:2019-08-01
Updated:2020-08-24
Summary:An issue was discovered on NETGEAR WNR1000V4 1.1.0.54 devices. Multiple actions within the web management interface (setup.cgi) are vulnerable to command injection, allowing remote attackers to execute arbitrary commands, as demonstrated by shell metacharacters in the sysDNSHost parameter.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.6 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
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
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-78
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-20488

Source: XF
Type: UNKNOWN
netgear-wnr1000-cve201920488-cmd-exec(177112)

Source: CCN
Type: NCC Group Web site
The Netgear WNR1000V4, Round 2

Source: MISC
Type: Exploit, Third Party Advisory
https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2019/august/the-netgear-wnr1000v4-round-2/

Source: CCN
Type: Netgear Web site
Netgear

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netgear:wnr1000_firmware:1.1.0.54:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netgear:wnr1000:4:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netgear:wnr1000v4_firmware:1.1.0.54:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netgear wnr1000 firmware 1.1.0.54
    netgear wnr1000 4
    netgear wnr1000v4 firmware 1.1.0.54