CVE-2021-1609

Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Web Management Vulnerabilities

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

Multiple vulnerabilities in the web-based management interface of the Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an attacker to do the following: Execute arbitrary code Cause a denial of service (DoS) condition Execute arbitrary commands For more information about these vulnerabilities, see the Details section of this advisory.

Múltiples vulnerabilidades en la interfaz de administración basada en web de los routers Cisco Small Business versiones RV340, RV340W, RV345 y RV345P Dual WAN Gigabit VPN podrían permitir a un atacante hacer lo siguiente: Ejecutar código arbitrario Causar una condición de denegación de servicio (DoS) Ejecutar comandos arbitrarios Para mayor información sobre estas vulnerabilidades, véase la sección Details de este aviso

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2020-11-13 CVE Reserved
2021-08-04 CVE Published
2024-04-19 EPSS Updated
2024-11-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-121: Stack-based Buffer Overflow

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv340-cmdinj-rcedos-pY8J3qfy	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Small Business Rv Series Router Firmware Search vendor "Cisco" for product "Small Business Rv Series Router Firmware"	< 1.0.03.22 Search vendor "Cisco" for product "Small Business Rv Series Router Firmware" and version " < 1.0.03.22"	-	Affected	in	Cisco Search vendor "Cisco"	Small Business Rv340 Search vendor "Cisco" for product "Small Business Rv340"	-	-	Safe
Cisco Search vendor "Cisco"	Small Business Rv Series Router Firmware Search vendor "Cisco" for product "Small Business Rv Series Router Firmware"	< 1.0.03.22 Search vendor "Cisco" for product "Small Business Rv Series Router Firmware" and version " < 1.0.03.22"	-	Affected	in	Cisco Search vendor "Cisco"	Small Business Rv340w Search vendor "Cisco" for product "Small Business Rv340w"	-	-	Safe
Cisco Search vendor "Cisco"	Small Business Rv Series Router Firmware Search vendor "Cisco" for product "Small Business Rv Series Router Firmware"	< 1.0.03.22 Search vendor "Cisco" for product "Small Business Rv Series Router Firmware" and version " < 1.0.03.22"	-	Affected	in	Cisco Search vendor "Cisco"	Small Business Rv345 Search vendor "Cisco" for product "Small Business Rv345"	-	-	Safe
Cisco Search vendor "Cisco"	Small Business Rv Series Router Firmware Search vendor "Cisco" for product "Small Business Rv Series Router Firmware"	< 1.0.03.22 Search vendor "Cisco" for product "Small Business Rv Series Router Firmware" and version " < 1.0.03.22"	-	Affected	in	Cisco Search vendor "Cisco"	Small Business Rv345p Search vendor "Cisco" for product "Small Business Rv345p"	-	-	Safe