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Vulnerabilities

Vulnerability · CVE-2017-6862

NETGEAR Multiple Devices Buffer Overflow Vulnerability

Published May 26, 2017 · catalog updated Jun 16, 2026 · NETGEAR Multiple Devices

Patch now

CVE-2017-6862 is in the CISA known-exploited catalog, due Jun 22, 2022. Confirm NETGEAR Multiple Devices against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
45.75%
Remediation
Remediation guidance
Affected products
cpe netgear/wnr2000 firmware · vendor 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe netgear/wnr2000 firmwareversion unspecified
  • vendor NETGEAR Multiple Devicesversion unspecified

How to fix CVE-2017-6862

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2017-6862 is in the CISA known-exploited catalog, due Jun 22, 2022. Confirm NETGEAR Multiple Devices against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-119: Buffer Overflow; CWE-120: Classic Buffer Overflow. EPSS 45.75%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 26, 2017 · Catalog

    Detected

    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.

  2. Jun 8, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Jun 22, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2017-6862

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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2017-6862

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2017-6862

    30-day exploitation probability 45.7%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2017-6862

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

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.