CVE-2025-14235: CWE-787: Out-of-bounds Write in Canon Inc. Satera LBP670C Series
CVE-2025-14235 is a critical buffer overflow vulnerability in the XPS font fpgm data processing of Canon Small Office Multifunction Printers and Laser Printers, including the Satera LBP670C Series and other related models. This vulnerability affects firmware versions 06.02 and earlier across multiple product lines sold in Japan, the US, and Europe. An attacker on the same network segment could exploit this flaw to cause the device to become unresponsive or potentially execute arbitrary code. The vulnerability has a high CVSS 4.0 score of 9.3, indicating critical severity. No official patch or remediation information is currently provided by the vendor, and no known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CVE-2025-14235) is an out-of-bounds write (buffer overflow) in the processing of XPS font fpgm data on Canon Small Office Multifunction Printers and Laser Printers, specifically affecting firmware version 06.02 and earlier of the Satera LBP670C Series and several other related models. The flaw allows a network attacker with no privileges or user interaction to cause denial of service or potentially execute arbitrary code on the affected device. The issue is classified under CWE-787 and has a CVSS 4.0 base score of 9.3, reflecting its critical impact and ease of exploitation over the network.
Potential Impact
Successful exploitation may result in the affected printer becoming unresponsive (denial of service) or an attacker executing arbitrary code remotely, potentially compromising the device. This could disrupt printing services and may allow further network compromise if the device is leveraged as an entry point.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit network exposure of affected devices by isolating them from untrusted networks and restricting access to trusted users only. Monitor Canon's official channels for firmware updates addressing this vulnerability.
CVE-2025-14235: CWE-787: Out-of-bounds Write in Canon Inc. Satera LBP670C Series
Description
CVE-2025-14235 is a critical buffer overflow vulnerability in the XPS font fpgm data processing of Canon Small Office Multifunction Printers and Laser Printers, including the Satera LBP670C Series and other related models. This vulnerability affects firmware versions 06.02 and earlier across multiple product lines sold in Japan, the US, and Europe. An attacker on the same network segment could exploit this flaw to cause the device to become unresponsive or potentially execute arbitrary code. The vulnerability has a high CVSS 4.0 score of 9.3, indicating critical severity. No official patch or remediation information is currently provided by the vendor, and no known exploits are reported in the wild at this time.
CVSS v4.0
Score 9.3critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2025-14235) is an out-of-bounds write (buffer overflow) in the processing of XPS font fpgm data on Canon Small Office Multifunction Printers and Laser Printers, specifically affecting firmware version 06.02 and earlier of the Satera LBP670C Series and several other related models. The flaw allows a network attacker with no privileges or user interaction to cause denial of service or potentially execute arbitrary code on the affected device. The issue is classified under CWE-787 and has a CVSS 4.0 base score of 9.3, reflecting its critical impact and ease of exploitation over the network.
Potential Impact
Successful exploitation may result in the affected printer becoming unresponsive (denial of service) or an attacker executing arbitrary code remotely, potentially compromising the device. This could disrupt printing services and may allow further network compromise if the device is leveraged as an entry point.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit network exposure of affected devices by isolating them from untrusted networks and restricting access to trusted users only. Monitor Canon's official channels for firmware updates addressing this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Canon
- Date Reserved
- 2025-12-07T23:53:39.814Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 69697b997c726673b68af977
Added to database: 01/15/2026, 23:43:21 UTC
Last enriched: 05/26/2026, 20:19:32 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 241
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