How severe is CVE-2017-6862?

CVE-2017-6862 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-6862 being actively exploited?

Yes. CVE-2017-6862 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-06-08, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2017-6862?

CVE-2017-6862 affects Netgear Wnr2000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-6862?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2017-6862 have an EU (EUVD) identifier?

Yes. CVE-2017-6862 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-15916. It is also flagged as exploited in the EUVD (since 2022-06-08).

When was CVE-2017-6862 published?

CVE-2017-6862 was published on 2017-05-26 and last updated on 2026-06-17.

CVE-2017-6862

CVE-2017-6862 is a critical-severity vulnerability in Netgear Wnr2000 Firmware with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-06-08). The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 43% (99th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-06-08)
EU (EUVD) id: EUVD-2017-15916
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-06-08)
Weakness: CWE-120
Affected product: Netgear Wnr2000 Firmware
Published: 2017-05-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-6862?: 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 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-6862 being actively exploited?: Yes. CVE-2017-6862 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-06-08, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2017-6862?: CVE-2017-6862 affects Netgear Wnr2000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-6862?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2017-6862 have an EU (EUVD) identifier?: Yes. CVE-2017-6862 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-15916. It is also flagged as exploited in the EUVD (since 2022-06-08).
When was CVE-2017-6862 published?: CVE-2017-6862 was published on 2017-05-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:*

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