CVE-2022-20708criticalunder attackCWE-121

CVE-2022-20708: critical vulnerability in Cisco Small Business RV Series Router Firmware

Cisco Small Business RV Series Routers Vulnerabilities

Published · Updated

Follow this CVE+ Monitor Cisco Small Business RV Series Router+ Monitor Small Business RV160, RV260, RV340, and RV345 Series Routers

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63Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 10epss 15%
from disclosure to weapon
Published on NVDFeb 10
CISA KEV+21d
Action required by CISAfederal deadline: 2022-03-17

Apply updates per vendor instructions.

In short

Multiple critical flaws in Cisco Small Business routers (RV160, RV260, RV340, RV345) allow attackers to take complete control of the device by executing code, bypassing security checks, or crashing the system.

Technical detail

These vulnerabilities span multiple attack vectors including stack buffer overflows (CWE-121), authentication bypass, and unsigned code execution. An attacker with network access can exploit these flaws to achieve remote code execution, privilege escalation, or denial of service without requiring valid credentials or user interaction.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products
Cisco · Cisco Small Business RV Series Router Firmware
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