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CVE-2022-34840

Quick assessment

Affected
BUFFALO INC. Buffalo network devices
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Buffalo network devices是日本巴比禄（Buffalo）公司的一系列网络设备。 Buffalo network devices 存在安全漏洞，该漏洞源于使用硬编码的凭证，毗邻网络的攻击者可以修改设备的配置设置。

AI Predicted 8.1 Difficulty: Trivial EPSS 0.25% · P15
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I. Basic Information for CVE-2022-34840

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Buffalo network devices 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Buffalo network devices是日本巴比禄（Buffalo）公司的一系列网络设备。 Buffalo network devices 存在安全漏洞，该漏洞源于使用硬编码的凭证，毗邻网络的攻击者可以修改设备的配置设置。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
BUFFALO INC. Buffalo network devices 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 ear -

II. Public POCs for CVE-2022-34840

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III. Intelligence Information for CVE-2022-34840

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Vendor Advisories for CVE-2022-34840 (1)

Other References for CVE-2022-34840 (1)

Same Patch Batch · BUFFALO INC. · 2022-12-07 · 3 CVEs total

CVE-2022-39044 Buffalo network devices 安全漏洞
CVE-2022-40966 Buffalo network devices 授权问题漏洞

IV. Related Vulnerabilities

Same product: Buffalo network devices
Same vendor: BUFFALO INC.

V. Comments for CVE-2022-34840

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