Is CVE-2017-6862 in the CISA KEV catalog?

Yes. CVE-2017-6862 is on the CISA Known Exploited Vulnerabilities list, added 2022-06-08.

What is the CVSS severity of CVE-2017-6862?

CVE-2017-6862 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-6862?

CVE-2017-6862 has an EPSS score of 42.70% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-6862?

Upgrade wnr2000 firmware to 1.1.2.14 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-6862

CRITICALCISA KEVEPSS 99th pctl

9.8

CVSS v3

NVD

Description

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.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

wnr2000 firmwareNVD

Affected:< 1.1.2.14Fixed in:1.1.2.14CVE-2017-6862derived from NVD

wnr2000v3 firmwareNVD

Affected:< 1.1.2.14Fixed in:1.1.2.14CVE-2017-6862derived from NVD

wnr2000v4 firmwareNVD

Affected:< 1.0.0.66Fixed in:1.0.0.66CVE-2017-6862derived from NVD

wnr2000v5 firmwareNVD

Affected:< 1.0.0.42Fixed in:1.0.0.42CVE-2017-6862derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

42.70%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

NETGEAR Multiple Devices Buffer Overflow Vulnerability

Multiple NETGEAR devices contain a buffer overflow vulnerability that allows for authentication bypass and remote code execution.

Apply updates per vendor instructions.

Remediation due: 2022-06-22

References

Vendor Advisory1

kb.netgear.com

Third-Party Advisory1

securityfocus.com

Government Resource1

cisa.gov

Other references1

on-x.com

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	92%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.