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CVE-2025-34254— D-Link Nuclias Connect <= v1.3.1.4 Login Account Enumeration

EPSS 0.04% · P12
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I. Basic Information for CVE-2025-34254

Vulnerability Information
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Vulnerability Title
D-Link Nuclias Connect <= v1.3.1.4 Login Account Enumeration
Source: NVD (National Vulnerability Database)
Vulnerability Description
D-Link Nuclias Connect firmware versions <= 1.3.1.4 contain an observable response discrepancy vulnerability. The application's 'Login' endpoint returns distinct JSON responses depending on whether the supplied username is associated with an existing account. Because the responses differ in the `error.message`string value, an unauthenticated remote attacker can enumerate valid usernames/accounts on the server. NOTE: D-Link states that a fix is under development.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
响应差异性信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
D-Link Nuclias Connect 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link Nuclias Connect是中国友讯（D-Link）公司的一套无线网络集中管理系统。 D-Link Nuclias Connect 1.3.1.4及之前版本存在安全漏洞，该漏洞源于Login端点返回不同JSON响应，可能导致远程攻击者枚举有效用户名。
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

VendorProductAffected VersionsCPESubscribe
D-LinkNuclias Connect * ~ 1.3.1.4 -

II. Public POCs for CVE-2025-34254

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III. Intelligence Information for CVE-2025-34254

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Same Patch Batch · D-Link · 2025-10-16 · 3 CVEs total

CVE-2025-34253D-Link Nuclias Connect <= v1.3.1.4 Stored Cross-Site Scripting (XSS)
CVE-2025-34255D-Link Nuclias Connect <= v1.3.1.4 Forgot Password Account Enumeration

IV. Related Vulnerabilities

Same product: Nuclias Connect
Same vendor: D-Link
Same weakness: CWE-204

V. Comments for CVE-2025-34254

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