Executive brief
HP Web Jetadmin is a web-based administration tool used to manage HP printers and print servers across networks. An unauthenticated attacker can exploit a DLL hijacking vulnerability to read or write arbitrary files on affected systems, potentially leading to unauthorized access to sensitive data, system compromise, or disruption of print management operations.
Technical details
The vulnerability exists in HP Web Jetadmin and involves a DLL hijacking mechanism that allows an unauthenticated actor to read from or write to arbitrary files on the system. DLL hijacking typically occurs when an application loads a dynamic library from an insecure location (such as the current working directory) before checking standard system paths, allowing an attacker to substitute a malicious DLL. No authentication is required to exploit this issue. The attack vector depends on the attacker's ability to place a malicious DLL in a location where the application will load it; this may require local access or leverage of a network-accessible share. Successful exploitation could result in arbitrary file read/write capabilities, potentially leading to information disclosure, privilege escalation, or remote code execution depending on the application's privileges.
Affected products
- HP Web Jetadmin
Timeline
- 2026-08-17: disclosed