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    CVE-2025-2516

    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.

    Published:Mar 27, 2025
    Last Modified:Apr 15, 2026
    EPS:Mar 27, 2025
    EPSS Score:0.00087
    CVSS Score:9.5

    Affected Products

    Vendor
    Kingsoft
    Product
    Wps Office

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-326 Inadequate Encryption Strength

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-112 Brute Force
    CAPEC-192 Protocol Analysis
    CAPEC-20 Encryption Brute Forcing

    Related CVEs

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    CVE-2024-11957 (CVSS 9.3) — Improper verification of the digital signature in ksojscore.dll in Kingsoft WPS Office in versions equal or le…
    CVE-2024-13187 (CVSS 4.8) — A vulnerability was found in Kingsoft WPS Office 6.14.0 on macOS. It has been declared as critical. Affected b…
    CVE-2024-7263 (CVSS 9.3) — Improper path validation in promecefpluginhost.exe in Kingsoft WPS Office version ranging from 12.2.0.13110 to…
    CVE-2024-7262 (CVSS 9.3) — Improper path validation in promecefpluginhost.exe in Kingsoft WPS Office version ranging from 12.2.0.13110 to…
    CVE-2024-35205 (CVSS 7.8) — The WPS Office (aka cn.wps.moffice_eng) application before 17.0.0 for Android fails to properly sanitize file …
    CVE-2023-31275 (CVSS 8.8) — An uninitialized pointer use vulnerability exists in the functionality of WPS Office 11.2.0.11537 that handles…
    CVE-2023-32548 (CVSS 8.1) — OS command injection vulnerability exists in WPS Office version 10.8.0.6186. If a remote attacker who can cond…
    CVE-2022-26081 (CVSS 7.8) — The installer of WPS Office Version 10.8.0.5745 insecurely load shcore.dll, allowing an attacker to execute ar…
    CVE-2022-25969 (CVSS 7.8) — The installer of WPS Office Version 10.8.0.6186 insecurely load VERSION.DLL (or some other DLLs), allowing an …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High