Secuno
ENNL
Book demo

CVE-2025-14231

Canon Mf1643if Ii Firmware remote code execution

9.8 CRITICALEPSS 0.92%
  1. Published15 Jan 2026

Description

Buffer overflow in print job processing by WSD on 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 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

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1078158.5
MariaDB server is a community developed fork of MySQL server. From 10.6.1 until…
CVE-2026-195708.8
The LE Audio Broadcast Sink in subsys/bluetooth/audio/bap_broadcast_sink.c copies…
CVE-2026-1079099.1
A heap-based out-of-bounds write in the ws_read_frame function (src/bolt/ws.c) and the…
CVE-2026-1079089.8
A heap-based out-of-bounds write in the BoltReadHandler function (src/bolt/bolt_api.c)…
CVE-2026-823448.1
IBM Guardium Data Protection 12.0, 12.1 is vulnerable to a heap-based buffer overflow…
CVE-2026-823358.1
IBM Guardium Data Protection 12.0, 12.1, 12.2 is vulnerable to a heap-based buffer…

Frequently asked

Is CVE-2025-14231 being actively exploited?

CVE-2025-14231 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.92%.

How severe is CVE-2025-14231?

CVE-2025-14231 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-2025-14231?

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-2025-14231?

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-2025-14231 against the real software inventory on every managed device, as each hourly inventory arrives. 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.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

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