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CRITICAL · CVSS 9.8 CISA Known Exploited Vulnerability

CVE-2017-6862

NETGEAR Multiple Devices Buffer Overflow Vulnerability

NETGEAR Multiple Devices

NETGEAR WNR2000v3 devices before 1.1.2.14, WNR2000v4 devices before 1.0.0.66, and WNR2000v5 devices before 1.0.0.42 allow authentication bypass and remote code execution via a buffer overflow that uses a parameter in the administration webapp. The NETGEAR ID is PSV-2016-0261.

CVSS
9.8
CRITICAL
EPSS
45.7%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
26 May 2017
CWE-120

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 8 June 2022. US federal agencies were required to remediate it by 22 June 2022.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 45.7%, which is higher than 98.8% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Frequently asked questions

Is CVE-2017-6862 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2017-6862.

What does CVE-2017-6862 affect?

CVE-2017-6862 affects NETGEAR Multiple Devices. NETGEAR WNR2000v3 devices before 1.1.2.14, WNR2000v4 devices before 1.0.0.66, and WNR2000v5 devices before 1.0.0.42 allow authentication bypass and remote code execution via a buffer overflow that uses a parameter in the administration webapp. The NETGEAR ID is PSV-2016-0261.

How severe is CVE-2017-6862?

CVE-2017-6862 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 45.7%, higher than 98.8% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 22 June 2022.

How should organisations respond to CVE-2017-6862?

Apply the vendor patch for NETGEAR Multiple Devices as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.