Information Disclosure in Cisco Small Business RV320/RV325 Routers (CVE‑2019‑1653) Exposes Configurations
What It Is – Cisco RV320 and RV325 dual‑Gigabit WAN VPN routers suffer an improper access‑control flaw that lets unauthenticated users request URLs containing the device’s configuration and detailed diagnostic data.
Exploitability – Publicly disclosed CVE; proof‑of‑concept scripts are available. The vulnerability scores a CVSS v3.1 7.5 (High) and can be exploited remotely over HTTP/HTTPS.
Affected Products – Cisco Small Business RV320 and RV325 routers (all firmware versions prior to the Cisco‑released fix).
Why It Matters for Trust & Control Assurance
- Demonstrates the need for robust access‑control processes on network‑infrastructure devices, a core control objective that maps to many frameworks (e.g., NIST CSF Identify → Protect).
- Lack of proper controls erodes the audit trail for configuration changes, making it harder to prove due‑diligence during third‑party assessments.
- Continuous monitoring of device‑level logs and configuration baselines provides defensible evidence that access policies are enforced.
Recommended Actions
- Apply Cisco’s security patch for CVE‑2019‑1653 immediately.
- Disable or restrict management‑plane access (e.g., limit to trusted IP ranges, enforce HTTPS with strong TLS).
- Enforce strong, unique credentials and rotate them regularly.
- Enable detailed logging of all management‑interface requests and integrate logs into a centralized SIEM for continuous review.
- Conduct a post‑patch audit to verify that only authorized accounts can retrieve configuration data.
Source: CISA KEV – CVE‑2019‑1653