Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-34840

Severity CVSS v4.0:
Pending analysis
Type:
CWE-798 Use of Hard-coded Credentials
Publication date:
07/12/2022
Last modified:
23/04/2025

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.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
6.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:buffalo:wzr-300hp_firmware:*:*:*:*:*:*:*:* 2.00 (including)
cpe:2.3:h:buffalo:wzr-300hp:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-450hp_firmware:*:*:*:*:*:*:*:* 2.00 (including)
cpe:2.3:h:buffalo:wzr-450hp:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-600dhp_firmware:*:*:*:*:*:*:*:* 2.00 (including)
cpe:2.3:h:buffalo:wzr-600dhp:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-900dhp_firmware:*:*:*:*:*:*:*:* 1.15 (including)
cpe:2.3:h:buffalo:wzr-900dhp:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:hw-450hp-zwe_firmware:*:*:*:*:*:*:*:* 2.00 (including)
cpe:2.3:h:buffalo:hw-450hp-zwe:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-450hp-cwt_firmware:*:*:*:*:*:*:*:* 2.00 (including)
cpe:2.3:h:buffalo:wzr-450hp-cwt:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-450hp-ub_firmware:*:*:*:*:*:*:*:* 2.00 (including)
cpe:2.3:h:buffalo:wzr-450hp-ub:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:wzr-600dhp2_firmware:*:*:*:*:*:*:*:* 1.15 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools