CVE-2022-34840

Summary

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.

Affected Software

Weaknesses

• Use of hard-coded credentials

ADP Enrichment

CVE Program Container

Additional References

• https://www.buffalo.jp/news/detail/20221003-01.html
• https://jvn.jp/en/vu/JVNVU92805279/index.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.buffalo.jp/news/detail/20221003-01.html
• https://jvn.jp/en/vu/JVNVU92805279/index.html

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