Home/CVE/Buffer overflow in CPCA font download processing of Small Office Multifunction Printers and Laser Printers(*) which may
CVE

CVE-2024-12647

Buffer overflow in CPCA font download processing of Small Office Multifunction Printers and Laser Printers(*) which may

Buffer overflow in CPCA font download 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.

CRITICAL · CVSS 9.8 EPSS 0.00306
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

22
canon mf455dw firmware<= 05.04
canon mf453dw firmware<= 05.04
canon mf452dw firmware<= 05.04
canon mf451dw firmware<= 05.04
canon mf465dw firmware<= 05.04
canon mf462dw firmware<= 05.04
canon mf656cdw firmware<= 05.04
canon mf654cdw firmware<= 05.04
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · f98c90f0-e9bd-4fa7-911b-51993f3571fd
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Jan 2025 · 01:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://canon.jp/support/support-info/250127vulnerability-responseVendor Advisory
https://psirt.canon/advisory-information/cp2025-001/Vendor Advisory
https://www.canon-europe.com/support/product-security/#newsVendor Advisory
https://www.usa.canon.com/support/canon-product-advisories/service-notice-regarding-vulnerability-measure-against-buffer-overflow-for-laser-printers-and-small-office-multifunctional-printersVendor Advisory
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