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I. Basic Information for CVE-2025-1673
Vulnerability Information
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Vulnerability Title
Out of bounds read when calling crc16_ansi and strlen in dns_validate_msg
Source: NVD (National Vulnerability Database)
Vulnerability Description
A malicious or malformed DNS packet without a payload can cause an out-of-bounds read, resulting in a crash (denial of service) or an incorrect computation.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Zephyr 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zephyr是Zephyr开源的一个可扩展的实时操作系统 (RTOS)。 Zephyr 4.0及之前版本存在缓冲区错误漏洞，该漏洞源于恶意或畸形数据包可能导致越界读取，导致崩溃或错误计算。
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
zephyrproject-rtosZephyr * ~ 4.0 -
II. Public POCs for CVE-2025-1673
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III. Intelligence Information for CVE-2025-1673
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IV. Related Vulnerabilities
Same product: Zephyr
Same vendor: zephyrproject-rtos
Same weakness: CWE-125
V. Comments for CVE-2025-1673

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