CVE-2019-1653
HighExploitedPublic exploitA vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an unauthenticated, remote attacker to retrieve sensitive information.
Published Jan 24, 2019 · Updated Oct 28, 2025
Key Facts
Patch immediately- CVE-2019-1653 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Rv320 Firmware (Cisco), Rv325 Firmware (Cisco), Cisco Small Business RV Series Router Firmware.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 25, 2020. Public exploit code is available.
- EPSS estimates a 100% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
100%
Higher than 99.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an unauthenticated, remote attacker to retrieve sensitive information. The vulnerability is due to improper access controls for URLs. An attacker could exploit this vulnerability by connecting to an affected device via HTTP or HTTPS and requesting specific URLs. A successful exploit could allow the attacker to download the router configuration or detailed diagnostic information. Cisco has released firmware updates that address this vulnerability.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| Industry KEV feed | Mar 25, 2020 | May 3, 2022 | Not reported |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
5 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Rv320 FirmwareCisco | 1.4.2.15, 1.4.2.17 | n/a |
| Rv325 FirmwareCisco | 1.4.2.15, 1.4.2.17 | n/a |
| Cisco Small Business RV Series Router Firmware | >= n/a | n/a |
Timeline
Publicly disclosed
Jan 24, 2019
Added to Industry KEV feed
Mar 25, 2020
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Oct 28, 2025
Weakness Type
- CWE-284 Improper Access Control
References
- advisoryhttp://packetstormsecurity.com/files/152305/Cisco-RV320-RV325-Unauthenticated-Remote-Code-Execution.html
- advisoryhttps://badpackets.net/over-9000-cisco-rv320-rv325-routers-vulnerable-to-cve-2019-1653/
- advisory20190327 [RT-SA-2019-003] Cisco RV320 Unauthenticated Configuration Export
- advisory20190327 [RT-SA-2019-004] Cisco RV320 Unauthenticated Diagnostic Data Retrieval
- advisoryhttps://threatpost.com/scans-cisco-routers-code-execution/141218/
FAQ
Common Questions.
A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an unauthenticated, remote attacker to retrieve sensitive information.
Affected: Rv320 Firmware (Cisco) versions 1.4.2.15, 1.4.2.17; Rv325 Firmware (Cisco) versions 1.4.2.15, 1.4.2.17; Cisco Small Business RV Series Router Firmware versions >= n/a. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 25, 2020.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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