CVE-2019-1653: in the CISA KEV catalogue
Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability. CISA added CVE-2019-1653 to the Known Exploited Vulnerabilities catalogue on 2021-11-03 with a default due date of 2022-05-03. Known ransomware campaign use: Unknown. Forensic triage flag: No.
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. (CISA description)
- Vendor / product
- Cisco Small Business RV320 and RV325 Routers
- CWE
- CWE-284
- CISA required action
- Apply updates per vendor instructions.
- EPSS
- 100%, percentile 99 (scored 2026-11-03)
EPSS puts nearly every time in 100 odds (100%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2019-1653 in the CISA KEV catalogue?
Yes. CISA added CVE-2019-1653 (Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2021-11-03. CISA's default due date for it is 2022-05-03.
Is CVE-2019-1653 used in ransomware attacks?
CISA marks known ransomware campaign use as Unknown for CVE-2019-1653. That means CISA lacks confirmation, not that ransomware groups do not use it.
What should I do about CVE-2019-1653?
CISA's required action: Apply updates per vendor instructions.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2019-1653