Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability

Added to KEV
2022-03-03
Federal due date
2022-03-17
Vendor
Cisco
Product
Small Business RV160, RV260, RV340, and RV345 Series Routers
EPSS
99.6th percentile (score 0.894, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2022-20699

CISA short description

A vulnerability 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, or cause a denial of service (DoS).

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.