CVE-2021-1609

Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Web Management Vulnerabilities

Description

Multiple vulnerabilities in the web-based management interface of the Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an attacker to do the following: Execute arbitrary code Cause a denial of service (DoS) condition Execute arbitrary commands For more information about these vulnerabilities, see the Details section of this advisory.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.81% Top 30%
Vendor Advisory cisco.com
Affected: Cisco Cisco Small Business RV Series Router Firmware
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-1609?
CVE-2021-1609 has been scored as a critical severity vulnerability.
How to fix CVE-2021-1609?
To fix CVE-2021-1609, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-1609 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-1609 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-1609?
CVE-2021-1609 affects Cisco Cisco Small Business RV Series Router Firmware.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.