CVE-2011-4785: Directory traversal vulnerability in the HP-ChaiSOE/1.0 web server on the HP LaserJet P3015 printer with fi...

Security readout for executives and security teams

This CVE affects the embedded HP-ChaiSOE/1.0 web server on certain HP LaserJet printers. A remote attacker could use directory traversal to read arbitrary files from the printer. The sources name older LaserJet P3015, 4650, and 2430 firmware, but provide no CVSS score or current exploitation evidence. Exposure is most likely where affected HP LaserJet devices remain network-reachable, especially if printer web management interfaces are accessible from user networks, guest networks, VPNs, or the internet. Internet exposure is not stated in the sources and should be verified locally. Treat this as a legacy-device exposure issue rather than an emergency internet-scale incident. Prioritize if affected printers are still deployed in regulated, sensitive, or broadly reachable networks. Isolation or retirement may be more practical than remediation on unsupported hardware. Mitigation focus: Inventory HP LaserJet P3015, 4650, and 2430 devices and firmware versions.; Review HP advisory HPSBPI02733 for supported firmware updates or replacement guidance.; Restrict printer web administration access to trusted management networks only..

Prepared

Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.