CVE-2022-20703Actively exploitedAdded to KEV 2022-03-03

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

Cisco, Small Business RV160, RV260, RV340, and RV345 Series Routers

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).

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

Medium

9.2%

estimated chance of real-world exploitation in the next 30 days, higher than 95.3% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-03-17

CWE-347

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