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I. Basic Information for CVE-2025-27839
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
operations/attestation/AttestationTask.kt in the Tangem SDK before 5.18.3 for Android has a logic flow in offline wallet attestation (genuineness check) that causes verification results to be disregarded during the first scan of a card. Exploitation may not have been possible.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用错误要素进行比较
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tangem 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tangem是Tangem开源的一个适用于 Android 和 JVM 平台的原生 Kotlin 库。 Tangem 5.18.3之前版本存在安全漏洞,该漏洞源于离线钱包认证存在逻辑缺陷,可能导致验证结果被忽略。
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
TangemSDK 0 ~ 5.18.3 -
II. Public POCs for CVE-2025-27839
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III. Intelligence Information for CVE-2025-27839
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IV. Related Vulnerabilities
V. Comments for CVE-2025-27839

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