Critical Remote Code Execution in Netgear DGN2200 Wireless Router (CVE‑2017‑6077) Threatens Network Trust
What It Is
A high‑severity vulnerability (CVE‑2017‑6077) exists in the Netgear DGN2200 wireless router firmware. The flaw permits an unauthenticated attacker to inject and execute arbitrary code on the device over the network, potentially taking full control of the router.
Exploitability
Public proof‑of‑concept code has been released, and the vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild. The CVSS v3.1 base score is 8.8 (High), reflecting the ease of remote exploitation and impact on confidentiality, integrity, and availability.
Affected Products
- Vendor: Netgear
- Product: DGN2200 series wireless routers (all firmware versions prior to the vendor‑issued patch)
Why It Matters for Compliance & Audit Readiness
Control‑based frameworks (e.g., NIST CSF, ISO 27001) require continuous monitoring of network‑edge devices and demonstrable due‑diligence in vendor‑managed hardware. An unpatched router that can be remotely commandeered undermines:
- Access Control Assurance – the router becomes an uncontrolled entry point, violating “Identity Management & Access Control” (PR.AC) and “Protective Technology” (PR.PT) sub‑categories.
- Evidence of Due Diligence – auditors expect documented patch management and firmware validation for all internet‑facing assets. Failure to remediate this CVE creates a gap in the audit trail and can be cited as a control weakness.
Addressing the flaw now strengthens the organization’s defensible posture and aligns with continuous control monitoring requirements.
Recommended Actions
- Map the Control: Align the router to the “Protective Technology” control (PR.PT‑1) and record its status in your asset inventory.
- Patch Immediately: Apply Netgear’s firmware update that resolves CVE‑2017‑6077; verify the version number against the vendor advisory.
- Validate Post‑Patch: Conduct a vulnerability scan or penetration test to confirm the exploit is mitigated.
- Document Evidence: Capture screenshots of the updated firmware version, scan results, and update your change‑management log for audit purposes.
- Monitor Continuously: Enable logging on the router and integrate logs into a SIEM for ongoing anomaly detection.
Source: https://nvd.nist.gov/vuln/detail/CVE-2017-6077