CVE-2025-2516— Use of a weak cryptographic key in the signature verification process in WPS Office
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I. Basic Information for CVE-2025-2516
Vulnerability Information
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Vulnerability Title
Use of a weak cryptographic key in the signature verification process in WPS Office
Source: NVD (National Vulnerability Database)
Vulnerability Description
The use of a weak cryptographic key pair in the signature verification process in WPS Office (Kingsoft) on Windows allows an attacker who successfully recovered the private key to sign components. As older versions of WPS Office did not validate the update server's certificate, an Adversary-In-The-Middle attack was possible allowing updates to be hijacked.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不充分的加密强度
Source: NVD (National Vulnerability Database)
Vulnerability Title
Kingsoft WPS Office 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kingsoft WPS Office是中国金山软件（Kingsoft）公司的一种办公软件。提供文件处理功能。 Kingsoft WPS Office存在安全漏洞，该漏洞源于签名验证过程中使用弱加密密钥对，可能导致攻击者成功恢复私钥并签名组件。
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 |
|---|---|---|---|---|
| Kingsoft | WPS Office | 12.1.0.18276 | - |
II. Public POCs for CVE-2025-2516
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-326
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