Description
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.
Published: 2022-12-07
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-37746 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.
History

Wed, 23 Apr 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Buffalo Hw-450hp-zwe Hw-450hp-zwe Firmware Wzr-300hp Wzr-300hp Firmware Wzr-450hp Wzr-450hp-cwt Wzr-450hp-cwt Firmware Wzr-450hp-ub Wzr-450hp-ub Firmware Wzr-450hp Firmware Wzr-600dhp Wzr-600dhp2 Wzr-600dhp2 Firmware Wzr-600dhp Firmware Wzr-900dhp Wzr-900dhp Firmware Wzr-d1100h Wzr-d1100h Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2025-04-23T16:10:12.366Z

Reserved: 2022-09-27T00:00:00.000Z

Link: CVE-2022-34840

cve-icon Vulnrichment

Updated: 2024-08-03T09:22:10.744Z

cve-icon NVD

Status : Modified

Published: 2022-12-07T10:15:10.303

Modified: 2025-04-23T17:15:48.673

Link: CVE-2022-34840

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses