CVE-2022-20842

CRITICAL

Cisco Rv340 Firmware < 1.0.03.28 - Improper Input Validation

Title source: rule

Description

Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory x_refsource_cisco

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-mult-vuln-CbVp4SUR

Scores

CVSS v3 9.0

EPSS 0.0138

EPSS Percentile 80.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-20 CWE-120

Status published

Products (4)

cisco/rv340_firmware < 1.0.03.28

cisco/rv340w_firmware < 1.0.03.28

cisco/rv345_firmware < 1.0.03.28

cisco/rv345p_firmware < 1.0.03.28

Published Aug 10, 2022

Tracked Since Feb 18, 2026