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CISA Known Exploited Vulnerabilities

Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2022-03-03
Remediation due
2022-03-17

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2022-20701

Description

Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.

Severity

CVSS 3.1 · CNA10 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC · CISA-ADP
Exploitationactive
Automatableyes
Technical impacttotal

Exploitation Context

as of October 17, 2026
All KEV statistics→
  • CISA added CVE-2022-20701 to the KEV catalog 21 days after its CVE record was published.
  • It is one of 101 Cisco entries in the CISA KEV catalog, and one of 50 added in 2022.
  • Its current EPSS score (9.7%) is higher than that of 25% of CISA KEV entries.

Affected Products

ProductAffected versions
Cisco
Cisco Small Business RV Series Router Firmware
n/a

References

2 Links

Record Details

Published
2022-02-10
Last updated
2025-10-21
Assigner (CNA)
cisco
Credited to
-

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.