Known exploited · Cisco
CVE-2019-1653: Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability
What it is
Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers contain improper access controls for URLs. Exploitation could allow an attacker to download the router configuration or detailed diagnostic information.
- Vendor
- Cisco
- Product
- Small Business RV320 and RV325 Routers
- Added to KEV
- November 3, 2021
- CISA due date
- May 3, 2022
- Ransomware use
- Unknown
- Weakness
- CWE-284: Improper Access Control
What CISA requires
Apply updates per vendor instructions.
Forensic triage
No
What to do now
- Find every instance of Small Business RV320 and RV325 Routers you run, including the forgotten ones, and check its version against the vendor advisory.
- Apply the vendor's fix or mitigation, before May 3, 2022 if you are bound by CISA's deadline, sooner if it faces the internet.
- Assume it was tried against you already: look for signs of exploitation from the date it was added, not from the day you patched.
References
H2 Security
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Start freeSource: CISA Known Exploited Vulnerabilities Catalog (public domain), catalog version 2026.10.01.