CVE-2025-7625 in kkFileViewOfficeEdit
Summary
by MITRE • 07/14/2025
A vulnerability, which was classified as critical, was found in YiJiuSmile kkFileViewOfficeEdit up to 5fbc57c48e8fe6c1b91e0e7995e2d59615f37abd. Affected is the function Download of the file /download. The manipulation of the argument url leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available.
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Analysis
by VulDB Data Team • 11/07/2025
This critical vulnerability in YiJiuSmile kkFileViewOfficeEdit represents a significant path traversal flaw that enables remote code execution through the Download function. The vulnerability exists within the /download endpoint where the url parameter is improperly validated, allowing attackers to manipulate file paths and access arbitrary files on the server. This type of vulnerability falls under CWE-22 Path Traversal, which is a well-documented weakness in software applications that handle file operations without proper input sanitization. The attack vector is particularly concerning because it can be executed remotely, eliminating the need for local system access or network proximity.
The technical implementation of this flaw allows adversaries to traverse directory structures beyond the intended file access boundaries by crafting malicious url parameters. When the application processes these manipulated inputs, it fails to properly validate or sanitize the path components, enabling attackers to navigate to sensitive system directories and potentially read confidential files, configuration data, or even execute arbitrary code. This vulnerability is particularly dangerous in continuous delivery environments where rolling releases are implemented, as the lack of specific version information makes it difficult for organizations to determine their exposure level or apply targeted patches. The disclosure of exploitation methods in the public domain significantly increases the risk profile, as malicious actors can readily implement these techniques without requiring advanced technical knowledge.
The operational impact of this vulnerability extends beyond simple data theft, as it can lead to complete system compromise and unauthorized access to sensitive information. Organizations utilizing this software may face data breaches, regulatory compliance violations, and potential legal consequences due to the exposure of confidential data. The continuous delivery model with rolling releases creates additional challenges for remediation, as the rapid deployment cycles make it difficult to maintain accurate inventory of affected systems and ensure timely patching across all instances. Attackers can leverage this vulnerability to establish persistent access, escalate privileges, or use the compromised system as a foothold for further network infiltration, aligning with techniques documented in the ATT&CK framework under Initial Access and Execution phases.
Organizations should immediately implement network-level mitigations including firewall rules that restrict access to the vulnerable download endpoint and implement web application firewalls to filter malicious path traversal attempts. Input validation and sanitization mechanisms must be strengthened to properly validate all url parameters before processing, ensuring that directory traversal sequences are rejected or properly encoded. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other components of the system. The lack of version details in this release cycle highlights the importance of maintaining comprehensive software inventory and asset management practices. Additionally, organizations should consider implementing automated patch management systems that can quickly deploy security updates across all instances of the affected software, regardless of the rolling release methodology employed.