🛡️ CVE-2022-34840
🟡 CVSS 6.5 — Medium ✅ No Known Exploit CWE-798 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE CWE-798
Public Exploit ✅ No
Source NVD
Published 2022-12-07
Updated 2026-06-08
Modified 2025-04-23

Affected Packages

Software From version Fixed in
hw-450hp-zwe-firmware 2.00
wzr-300hp-firmware 2.00
wzr-450hp-cwt-firmware 2.00
wzr-450hp-firmware 2.00
wzr-450hp-ub-firmware 2.00
wzr-600dhp-firmware 2.00
wzr-600dhp2-firmware 1.15
wzr-900dhp-firmware 1.15
wzr-d1100h-firmware 2.00

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