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Canon Small Office Multifunction Printers and Laser Printers Buffer Overflow Vulnerability Allowing Denial-of-Service or Arbitrary Code Execution

Vulnerability

A buffer overflow vulnerability has been identified in the WebService Authentication processing of certain Small Office Multifunction Printers and Laser Printers. This vulnerability, present in specific models and firmware versions, may allow an attacker on the same network segment to cause the printer to become unresponsive or to execute arbitrary code. The affected models include various Satera, Color imageCLASS, i-SENSYS, and imageRUNNER printers, with the vulnerability present in firmware versions through 05.07.

Impact

Exploitation of this vulnerability can lead to a denial-of-service condition, causing the printer to become unresponsive, or allow for arbitrary code execution on the affected device.

Remediation

Users are advised to update their devices to the latest firmware version. Instructions for downloading the firmware update are available on the Canon Small Office Multifunction Printers and Laser Printers support page.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
5.7
impact
7.5
exploitability
4.9
remediation
7.9
relevance
0.0
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.