CVE-2022-34840

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Use of hard-coded credentials vulnerability in multiple Buffalo network devices allows a network-adjacent attacker to alter?configuration settings of the device. The affected products/versions are as follows: WZR-300HP firmware Ver. 2.00 and earlier, WZR-450HP firmware Ver. 2.00 and earlier, WZR-600DHP firmware Ver. 2.00 and earlier, WZR-900DHP firmware Ver. 1.15 and earlier, HW-450HP-ZWE firmware Ver. 2.00 and earlier, WZR-450HP-CWT firmware Ver. 2.00 and earlier, WZR-450HP-UB firmware Ver. 2.00 and earlier, WZR-600DHP2 firmware Ver. 1.15 and earlier, and WZR-D1100H firmware Ver. 2.00 and earlier.

Una vulnerabilidad de uso de credenciales codificadas en múltiples dispositivos de red de Buffalo permite que un atacante adyacente a la red altere los ajustes de configuración del dispositivo. Los productos/versiones afectados son los siguientes: WZR-300HP firmware Ver. 2.00 y anteriores, versión del firmware WZR-450HP. 2.00 y anteriores, versión del firmware WZR-600DHP. 2.00 y anteriores, versión del firmware WZR-900DHP. 1.15 y anteriores, versión del firmware HW-450HP-ZWE. 2.00 y anteriores, versión del firmware WZR-450HP-CWT. 2.00 y anteriores, versión del firmware WZR-450HP-UB. 2.00 y anteriores, versión del firmware WZR-600DHP2. 1.15 y anteriores, y la versión del firmware WZR-D1100H. 2.00 y antes.

*Credits: N/A

CVSS Scores

NISTv3.1 6.5

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-09-27 CVE Reserved
2022-12-07 CVE Published
2024-06-29 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-798: Use of Hard-coded Credentials

CAPEC

References (2)

URL	Tag	Source
https://jvn.jp/en/vu/JVNVU92805279/index.html	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://www.buffalo.jp/news/detail/20221003-01.html	2022-12-13

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Buffalo Search vendor "Buffalo"	Wzr-300hp Firmware Search vendor "Buffalo" for product "Wzr-300hp Firmware"	<= 2.00 Search vendor "Buffalo" for product "Wzr-300hp Firmware" and version " <= 2.00"	-	Affected	in	Buffalo Search vendor "Buffalo"	Wzr-300hp Search vendor "Buffalo" for product "Wzr-300hp"	-	-	Safe
Buffalo Search vendor "Buffalo"	Wzr-450hp Firmware Search vendor "Buffalo" for product "Wzr-450hp Firmware"	<= 2.00 Search vendor "Buffalo" for product "Wzr-450hp Firmware" and version " <= 2.00"	-	Affected	in	Buffalo Search vendor "Buffalo"	Wzr-450hp Search vendor "Buffalo" for product "Wzr-450hp"	-	-	Safe
Buffalo Search vendor "Buffalo"	Wzr-600dhp Firmware Search vendor "Buffalo" for product "Wzr-600dhp Firmware"	<= 2.00 Search vendor "Buffalo" for product "Wzr-600dhp Firmware" and version " <= 2.00"	-	Affected	in	Buffalo Search vendor "Buffalo"	Wzr-600dhp Search vendor "Buffalo" for product "Wzr-600dhp"	-	-	Safe
Buffalo Search vendor "Buffalo"	Wzr-900dhp Firmware Search vendor "Buffalo" for product "Wzr-900dhp Firmware"	<= 1.15 Search vendor "Buffalo" for product "Wzr-900dhp Firmware" and version " <= 1.15"	-	Affected	in	Buffalo Search vendor "Buffalo"	Wzr-900dhp Search vendor "Buffalo" for product "Wzr-900dhp"	-	-	Safe
Buffalo Search vendor "Buffalo"	Hw-450hp-zwe Firmware Search vendor "Buffalo" for product "Hw-450hp-zwe Firmware"	<= 2.00 Search vendor "Buffalo" for product "Hw-450hp-zwe Firmware" and version " <= 2.00"	-	Affected	in	Buffalo Search vendor "Buffalo"	Hw-450hp-zwe Search vendor "Buffalo" for product "Hw-450hp-zwe"	-	-	Safe
Buffalo Search vendor "Buffalo"	Wzr-450hp-cwt Firmware Search vendor "Buffalo" for product "Wzr-450hp-cwt Firmware"	<= 2.00 Search vendor "Buffalo" for product "Wzr-450hp-cwt Firmware" and version " <= 2.00"	-	Affected	in	Buffalo Search vendor "Buffalo"	Wzr-450hp-cwt Search vendor "Buffalo" for product "Wzr-450hp-cwt"	-	-	Safe
Buffalo Search vendor "Buffalo"	Wzr-450hp-ub Firmware Search vendor "Buffalo" for product "Wzr-450hp-ub Firmware"	<= 2.00 Search vendor "Buffalo" for product "Wzr-450hp-ub Firmware" and version " <= 2.00"	-	Affected	in	Buffalo Search vendor "Buffalo"	Wzr-450hp-ub Search vendor "Buffalo" for product "Wzr-450hp-ub"	-	-	Safe
Buffalo Search vendor "Buffalo"	Wzr-600dhp2 Firmware Search vendor "Buffalo" for product "Wzr-600dhp2 Firmware"	<= 1.15 Search vendor "Buffalo" for product "Wzr-600dhp2 Firmware" and version " <= 1.15"	-	Affected	in	Buffalo Search vendor "Buffalo"	Wzr-600dhp2 Search vendor "Buffalo" for product "Wzr-600dhp2"	-	-	Safe
Buffalo Search vendor "Buffalo"	Wzr-d1100h Firmware Search vendor "Buffalo" for product "Wzr-d1100h Firmware"	<= 2.00 Search vendor "Buffalo" for product "Wzr-d1100h Firmware" and version " <= 2.00"	-	Affected	in	Buffalo Search vendor "Buffalo"	Wzr-d1100h Search vendor "Buffalo" for product "Wzr-d1100h"	-	-	Safe