What is CVE-2022-34840?

CVE-2022-34840 is a medium-severity vulnerability in Buffalo Hw-450hp-Zwe, classified under Use of Hard-coded Credentials. CVSS score: 6.5/10. Published 2022-12-07.

How severe is CVE-2022-34840?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Buffalo Hw-450hp-Zwe

CVE-2022-34840

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.

EPSS: 0.002 (15.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

vultures@jpcert.or.jp (Patch, Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2022-34840?: CVE-2022-34840 is a medium-severity vulnerability in Buffalo Hw-450hp-Zwe, classified under Use of Hard-coded Credentials. CVSS score: 6.5/10. Published 2022-12-07.
How severe is CVE-2022-34840?: Medium severity. CVSS v3 base score is 6.5 out of 10.