CVE-2017-6862
KEVNETGEAR Multiple Devices Buffer Overflow Vulnerability
Description
Multiple NETGEAR devices contain a buffer overflow vulnerability that allows for authentication bypass and remote code execution.
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 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HPublishedMay 26, 2017
Last modifiedJun 17, 2026
Added to KEVJun 8, 2022
Remediation dueJun 22, 2022
References
- securityfocus.com/bid/98740Broken LinkThird Party Advisory
- kb.netgear.com/000038542/Security-Advisory-for-Unauthenticated-Remote-Code-Execution-on-Some-Routers-PSV-2016-0261Vendor Advisory
- on-x.com/sites/default/files/on-x_-_security_advisory_-_netgear_wnr2000v5_-_cve-2017-6862.pdfBroken Link
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6862US Government Resource
0 recent articles mention this CVE
84
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1588 days
- CVSS
- 9.8 CRITICAL
- EPSS (30-day exploit probability)
- 45.7% · top 1% of all CVEs
- Weakness
- CWE-120
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.