CVE-2022-34840
Last modified
CVE-2022-34840 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Buffalo | Wzr-300hp Firmware | <= 2.00 |
| Buffalo | Wzr-450hp Firmware | <= 2.00 |
| Buffalo | Wzr-600dhp Firmware | <= 2.00 |
| Buffalo | Wzr-900dhp Firmware | <= 1.15 |
| Buffalo | Hw-450hp-Zwe Firmware | <= 2.00 |
| Buffalo | Wzr-450hp-Cwt Firmware | <= 2.00 |
| Buffalo | Wzr-450hp-Ub Firmware | <= 2.00 |
| Buffalo | Wzr-600dhp2 Firmware | <= 1.15 |
| Buffalo | Wzr-D1100h Firmware | <= 2.00 |
References
- https://jvn.jp/en/vu/JVNVU92805279/index.htmlThird Party Advisory
- https://www.buffalo.jp/news/detail/20221003-01.htmlPatch, Vendor Advisory
- https://jvn.jp/en/vu/JVNVU92805279/index.htmlThird Party Advisory
- https://www.buffalo.jp/news/detail/20221003-01.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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