CVE-2019-1653: Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.
CSIRTS triage
- What
- Improper access controls for URLs could allow an attacker to download sensitive router configuration.
- Who is affected
- Users of Cisco Small Business RV320 and RV325 Routers.
- Urgency
- Immediate action is required as the vulnerability is actively exploited and rated critical.
- Action
- Apply the latest firmware update to the affected routers.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-1653
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2019-1653Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2019-1653 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Cisco Small Business
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalexploitedCVE-2023-20118: Cisco Small Business RV Series Routers Command Injection Vulnerabilitycisa-kev · 2025-03-03
- criticalexploitedCVE-2019-1652: Cisco Small Business Routers Improper Input Validation Vulnerabilitycisa-kev · 2022-03-03
- criticalexploitedCVE-2022-20701: Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerabilitycisa-kev · 2022-03-03
- criticalexploitedCVE-2022-20700: Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerabilitycisa-kev · 2022-03-03
- criticalexploitedCVE-2022-20699: Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerabilitycisa-kev · 2022-03-03
- criticalexploitedCVE-2022-20703: Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerabilitycisa-kev · 2022-03-03
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