Buffer Overflow Vulnerability in Canon Multifunction Printers and Laser Printers
CVE-2025-14235
9.3CRITICAL
Key Information:
- Vendor
Canon Inc.
- Status
- Vendor
- CVE Published:
- 15 January 2026
What is CVE-2025-14235?
A buffer overflow vulnerability exists in the font fpgm data processing of Canon's Small Office Multifunction Printers and Laser Printers. This issue may be exploited remotely by an attacker on the same network segment, potentially leading to the affected devices becoming unresponsive or executing arbitrary code. The vulnerable devices include specific models and firmware versions, particularly those sold in Japan, the US, and Europe. Users are advised to update their firmware to mitigate risks associated with this vulnerability.
Affected Version(s)
1238i II 06.02 and earlier
1238iF II 06.02 and earlier
1238P II 06.02 and earlier
References
CVSS V4
Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None
Timeline
Vulnerability published
Vulnerability Reserved
