HOMEVULNERABILITIESCVE-2025-14233
CRITICAL

CVE-2025-14233

CWE-763Published: January 16, 2026· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Invalid free in CPCA file deletion processing 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.

NVD Source

Risk Analysis

An invalid free vulnerability in CPCA file deletion processing on Canon printers allows a network-based attacker to potentially execute arbitrary code or crash the device. The flaw is remotely exploitable and carries a critical severity rating.

No public exploit is known for this vulnerability, and it is not listed in the CISA KEV.

Recommended Action

Update the firmware on affected Canon printer models to a version later than v06.02.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2025-14233 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

canon32 product(s)
lbp1238 ii firmwarelbp1238 iilbp632cdw firmwarelbp632cdwlbp633cdw firmwarelbp633cdwlbp236dw firmwarelbp236dwlbp237dw firmwarelbp237dwmf1643i ii firmwaremf1643i ii+20
Source: NVD CPE · 32 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://canon.jp/support/support-info/260115vulnerability-response
ADVISORYhttps://psirt.canon/advisory-information/cp2026-001/
ADVISORYhttps://www.canon-europe.com/support/product-security/
ADVISORYhttps://www.usa.canon.com/support/canon-product-advisories/Service-Notice-Regarding-Remediation-Measure-Against-Potential-Buffer-Overflow-Vulnerability-in-Laser-Printers-and-Small-Office-Multifunctional-Printers

All References (4)

→
https://canon.jp/support/support-info/260115vulnerability-responseVendor Advisory
→
https://psirt.canon/advisory-information/cp2026-001/Vendor Advisory
→
https://www.canon-europe.com/support/product-security/Vendor Advisory
→
https://www.usa.canon.com/support/canon-product-advisories/Service-Notice-Regarding-Remediation-Measure-Against-Potential-Buffer-Overflow-Vulnerability-in-Laser-Printers-and-Small-Office-Multifunctional-PrintersVendor Advisory

Quick Facts

CVE IDCVE-2025-14233
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-763
CISA KEVNo
Affected1 vendor(s)
PublishedJan 16, 2026

Related CVEs (CWE-763)

CVE-2024-44852
9.8
CVE-2020-0103
9.8
CVE-2021-24028
9.8
CVE-2020-11105
9.8
CVE-2018-6836
9.8
CVE-2026-22770
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-14233 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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