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CVE-2025-14236

Canon Mf1643if Ii Firmware remote code execution

9.8 CRITICALEPSS 0.92%
  1. Published15 Jan 2026

Description

Buffer overflow in Address Book attribute tag processing on Small Office Multifunction Printers(*) which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code. *: Satera LBP670C Series/Satera MF750C Series firmware v06.02 and earlier sold in Japan.Color imageCLASS LBP630C/Color imageCLASS MF650C Series/imageCLASS LBP230 Series/imageCLASS X LBP1238 II/imageCLASS MF450 Series/imageCLASS X MF1238 II/imageCLASS X MF1643i II/imageCLASS X MF1643iF II firmware v06.02 and earlier sold in US.i-SENSYS LBP630C Series/i-SENSYS MF650C Series/i-SENSYS LBP230 Series/1238P II/1238Pr II/i-SENSYS MF450 Series/i-SENSYS MF550 Series/1238i II/1238iF II/imageRUNNER 1643i II/imageRUNNER 1643iF II firmware v06.02 and earlier sold in Europe.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Canon Lbp1238 Ii Firmware≤ 06.02
Canon Lbp236dw Firmware≤ 06.02
Canon Lbp237dw Firmware≤ 06.02
Canon Lbp632cdw Firmware≤ 06.02
Canon Lbp633cdw Firmware≤ 06.02
Canon Mf1238 Ii Firmware≤ 06.02
Canon Mf1643if Ii Firmware≤ 06.02
Canon Mf1643i Ii Firmware≤ 06.02
Canon Mf451dw Firmware≤ 06.02
Canon Mf452dw Firmware≤ 06.02
Canon Mf453dw Firmware≤ 06.02
Canon Mf455dw Firmware≤ 06.02
Canon Mf652cw Firmware≤ 06.02
Canon Mf653cdw Firmware≤ 06.02
Canon Mf654cdw Firmware≤ 06.02
Canon Mf656cdw Firmware≤ 06.02

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-14236 being actively exploited?

CVE-2025-14236 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.92%.

How severe is CVE-2025-14236?

CVE-2025-14236 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.92% probability of exploitation.

Which products are affected by CVE-2025-14236?

Affected products include Canon Lbp1238 Ii Firmware, Canon Lbp236dw Firmware, Canon Lbp237dw Firmware, Canon Lbp632cdw Firmware, Canon Lbp633cdw Firmware, and 11 more.

How do I fix CVE-2025-14236?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-14236 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.