HP LASERJET P4015N RFU FIRMWARE UPGRADE INSTALL
HP LASERJET P4015N RFU FIRMWARE UPGRADE UPDATE

HP Color LaserJet Professional CP5225 Printer series HP Color LaserJet CM4730 Multifunction Printer HP Color LaserJet 4730 Multifunction Printer HP LaserJet Enterprise M4555 Multifunction Printer HP Color LaserJet Enterprise CM4540 Multifunction Printer HP LaserJet M2727 Multifunction Printer series

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HP LASERJET P4015N RFU FIRMWARE UPGRADE UPDATE

Please refer to the following table.įirmware Update Required to Allow Disabling RFUįirmware Update Required for Code Signing Code signing is not available on all the affected devices. Note: A firmware update may be required to allow the RFU to be disabled or to implement code signing. This will prevent the installation of invalid firmware updates. The code signing feature verifies that firmware updates are properly signed. Update the firmware to a version that implements code signing The following steps can be taken to avoid unauthorized firmware updates: The unauthorized firmware could also cause a Denial of Service (DoS) to the device. The unauthorized firmware could impact the confidentiality and integrity of data sent to and received from the device. This could allow unauthorized modification of the device firmware. A firmware update can be sent remotely to port 9100 without authentication. Remote Firmware Update (RFU): The Remote Firmware Update (RFU) feature is enabled by default. Note: For further information on Secure Printing and Imaging please refer to SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.ĬVE-2011-4161 (AV:N/AC:L/Au:N/C:C/I:C/A:C) 10.0

HP LASERJET P4015N RFU FIRMWARE UPGRADE INSTALL

The vulnerability could be exploited remotely to install unauthorized printer firmware. Source: Hewlett-Packard Company, HP Software Security Response TeamĪ potential security vulnerability has been identified with certain HP printers and HP digital senders. Potential Security Impact: Remote firmware update enabled by default NOTICE: The information in this Security Bulletin should be acted upon as soon as possible. HPSBPI02728 SSRT100692 rev.5 - Certain HP Printers and HP Digital Senders, Remote Firmware Update Enabled by Default SUPPORT COMMUNICATION - SECURITY BULLETIN Change Mirror Download -BEGIN PGP SIGNED MESSAGE.

Hp laserjet p4015n rfu firmware upgrade