CVE-2024-0244
CWE-787Published: February 6, 2024· Updated: Jun 17, 2026
Official Description
Buffer overflow in CPCA PCFAX number process of 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 MF750C Series firmware v03.07 and earlier sold in Japan. Color imageCLASS MF750C Series/Color imageCLASS X MF1333C firmware v03.07 and earlier sold in US. i-SENSYS MF754Cdw/C1333iF firmware v03.07 and earlier sold in Europe.
Risk Analysis
A buffer overflow in the PCFAX processing of certain Canon printers allows remote attackers to crash the device or execute arbitrary code. This critical vulnerability is rated 9.8 and is accessible to anyone on the network segment.
No public exploit is known, and it is not in the KEV catalog. The vulnerability is remotely exploitable.
Update the printer firmware to version 03.08 or later to remediate the buffer overflow.
Technical Analysis
CVE-2024-0244 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (8)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-0244 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts