CVE Watch—

CVE-2022-20700

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

CVSS

—

No CVSS

EPSS

5.7%

p92

KEV

YES

Mar 3, 2022

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

5.4%EPSS · 30 days5.7%

2026-06-302026-07-16

KEV catalog record

Product

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

Vulnerability

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

Added to KEV

Mar 3, 2022

Remediate by

Mar 17, 2022

Known ransomware use

Summary 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.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2022-20700

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