Weak Cryptographic Key Vulnerability in WPS Office by Kingsoft
CVE-2025-2516

9.5CRITICAL

Key Information:

Vendor

Kingsoft

Status
WPs Office
Vendor
CVE Published:
27 March 2025

Badges

đź‘ľ Exploit Exists

What is CVE-2025-2516?

A vulnerability exists in WPS Office due to the use of a weak cryptographic key pair during the signature verification process. This allows attackers who obtain the private key to sign components maliciously. Additionally, older versions of WPS Office do not adequately validate the update server's certificate, leaving them susceptible to Adversary-In-The-Middle attacks, where unauthorized updates can be injected, potentially compromising users’ systems and data security.

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Affected Version(s)

WPS Office Windows 12.1.0.18276

References

https://www.welivesecurity.com/en/eset-research/nspx30-so...

CVSS V4

Score:
9.5
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • đź‘ľ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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