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CVE-2025-52496

CVSS 7.8 · High EPSS 0.19% · P9

Possible ATT&CK Techniques 1AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2025-52496

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mbed TLS before 3.6.4 has a race condition in AESNI detection if certain compiler optimizations occur. An attacker may be able to extract an AES key from a multithreaded program, or perform a GCM forgery.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
编译器优化对安全关键代码的移除或修改
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mbed TLS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mbed TLS是Mbed TLS开源的一个开源、可移植、易于使用、可读且灵活的 SSL 库。 Mbed TLS 3.6.4之前版本存在安全漏洞，该漏洞源于AESNI检测中的竞争条件，可能导致AES密钥泄露或GCM伪造。
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
Mbedmbedtls 0 ~ 3.6.4 -

II. Public POCs for CVE-2025-52496

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8783 chars
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III. Intelligence Information for CVE-2025-52496

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Vendor Advisories for CVE-2025-52496 (1)

Same Patch Batch · Mbed · 2025-07-04 · 4 CVEs total

CVE-2025-496004.9 MEDIUMMbed TLS 安全漏洞
CVE-2025-496014.8 MEDIUMMbed TLS 缓冲区错误漏洞
CVE-2025-524974.8 MEDIUMMbed TLS 安全漏洞

IV. Related Vulnerabilities

Same product: mbedtls
Same vendor: Mbed
Same weakness: CWE-733

V. Comments for CVE-2025-52496

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