CVE-2024-12648 in Satera MF656Cdw
Summary
by MITRE • 01/28/2025
Buffer overflow in TIFF data EXIF tag processing of Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code. *: Satera MF656Cdw/Satera MF654Cdw firmware v05.04 and earlier sold in Japan. Color imageCLASS MF656Cdw/Color imageCLASS MF654Cdw/Color imageCLASS MF653Cdw/Color imageCLASS MF652Cdw/Color imageCLASS LBP633Cdw/Color imageCLASS LBP632Cdw firmware v05.04 and earlier sold in US. i-SENSYS MF657Cdw/i-SENSYS MF655Cdw/i-SENSYS MF651Cdw/i-SENSYS LBP633Cdw/i-SENSYS LBP631Cdw firmware v05.04 and earlier sold in Europe.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 01/26/2026
This vulnerability represents a critical buffer overflow condition within the EXIF metadata processing functionality of certain multifunction printer models from Canon and Satera. The flaw exists specifically in the handling of TIFF format data within the embedded firmware systems of these devices, affecting various models including the MF656Cdw, MF654Cdw, and their variants sold across Japan, US, and European markets with firmware versions 05.04 and earlier. The vulnerability stems from inadequate input validation and bounds checking during the parsing of EXIF tags contained within TIFF image files processed by these printers, creating a potential pathway for malicious code execution or system compromise.
The technical implementation of this vulnerability manifests when a maliciously crafted TIFF file containing oversized or malformed EXIF metadata is processed by the affected printer's firmware. This buffer overflow occurs during the parsing of image metadata, where the printer's embedded system fails to properly validate the size and structure of the EXIF data before attempting to copy it into fixed-size memory buffers. The flaw aligns with CWE-121, which describes stack-based buffer overflow conditions, and potentially CWE-122, indicating heap-based buffer overflow scenarios that may occur during dynamic memory allocation. The vulnerability is particularly concerning as it allows an attacker to execute arbitrary code with the privileges of the printer's embedded system, potentially leading to complete system compromise.
From an operational perspective, this vulnerability presents significant risks to network security environments as it allows remote code execution from within the same network segment. Attackers can leverage this weakness by sending specially crafted TIFF files through network-based printing protocols or by exploiting the printer's web interface if enabled. The impact extends beyond simple system unresponsiveness to full system compromise, potentially enabling attackers to establish persistent access, exfiltrate sensitive data, or use the compromised printer as a launch point for further attacks within the network. This vulnerability directly maps to ATT&CK technique T1210, which describes exploitation of remote services, and T1059, covering command and scripting interpreters, as the compromised system could be used to execute malicious commands.
The affected devices represent common office multifunction printers that are typically connected to corporate networks and often have elevated privileges within the printing infrastructure. These printers frequently accept print jobs from multiple users and may be accessible via network protocols such as IPP (Internet Printing Protocol) or SNMP (Simple Network Management Protocol), creating multiple potential attack vectors. The vulnerability's exploitation requires network access to the printer's network interface, making it particularly dangerous in environments where network segmentation is insufficient or where users can access networked printing services without proper authentication controls. Organizations should prioritize immediate firmware updates from Canon and Satera to address this vulnerability, while also implementing network segmentation controls to limit access to these devices and monitoring for suspicious print job patterns that might indicate exploitation attempts.