Advisory Details

March 3rd, 2025

(Pwn2Own) HP LaserJet Pro MFP 3301fdw PostScript File Parsing Type Confusion Remote Code Execution Vulnerability

CVE ID	CVE-2025-26508
CVSS SCORE	8.8, AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	HP
AFFECTED PRODUCTS	LaserJet Pro MFP 3301fdw
VULNERABILITY DETAILS	This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of HP LaserJet Pro MFP 3301fdw printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of PostScript data. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the device.
ADDITIONAL DETAILS	HP has issued an update to correct this vulnerability. More details can be found at: https://support.hp.com/us-en/document/ish_11953771-11953793-16/hpsbpi04007
DISCLOSURE TIMELINE	2024-12-02 - Vulnerability reported to vendor 2025-03-03 - Coordinated public release of advisory 2025-03-03 - Advisory Updated
CREDIT	Team Viettel

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