CVE-2017-6862
NETGEAR Multiple Devices Buffer Overflow Vulnerability
- Critical 9.8
- Exploited: added to CISA KEV 8 Jun 2022
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.
Key facts
- Published
- 26 May 2017
- Last changed
- 21 Oct 2025
- Assigned by
- netgear
- KEV added
- 8 Jun 2022
- KEV fix due
- 22 Jun 2022
- EPSS
- 45.748% likely to be exploited in the next 30 days, higher than 98.821% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: yes; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 9.8CVSS 3.1, Criticalfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | NETGEAR All versions prior to WNR2000v3 1.1.2.14, WNR2000v4 1.0.0.66, WNR2000v5 1.0.0.42 |
|
Timeline
- 26 May 2017 Published
- 8 Jun 2022 CVE-2017-6862 added to CISA KEV
- 8 Jun 2022 Added to the CISA KEV catalogue