PT-2022-22390 · Buffalo · Wzr-600Dhp+8

Chuya Hayakawa

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Published

2022-12-07

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Updated

2022-12-13

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CVE-2022-34840

CVSS v3.1

6.5

Medium

VectorAV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Name of the Vulnerable Software and Affected Versions 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 WZR-D1100H firmware Ver. 2.00 and earlier
Description A use of hard-coded credentials issue in multiple Buffalo network devices allows a network-adjacent attacker to alter configuration settings of the device.
Recommendations For WZR-300HP firmware Ver. 2.00 and earlier, update to a version later than Ver. 2.00. For WZR-450HP firmware Ver. 2.00 and earlier, update to a version later than Ver. 2.00. For WZR-600DHP firmware Ver. 2.00 and earlier, update to a version later than Ver. 2.00. For WZR-900DHP firmware Ver. 1.15 and earlier, update to a version later than Ver. 1.15. For HW-450HP-ZWE firmware Ver. 2.00 and earlier, update to a version later than Ver. 2.00. For WZR-450HP-CWT firmware Ver. 2.00 and earlier, update to a version later than Ver. 2.00. For WZR-450HP-UB firmware Ver. 2.00 and earlier, update to a version later than Ver. 2.00. For WZR-600DHP2 firmware Ver. 1.15 and earlier, update to a version later than Ver. 1.15. For WZR-D1100H firmware Ver. 2.00 and earlier, update to a version later than Ver. 2.00.

Fix

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2022-34840

Affected Products

Hw-450Hp-Zwe
Wzr-300Hp
Wzr-450Hp
Wzr-450Hp-Cwt
Wzr-450Hp-Ub
Wzr-600Dhp
Wzr-600Dhp2
Wzr-900Dhp
Wzr-D1100H