CVE-2019-25401Public exploitNetwork attack vector

Web service crash via malformed admin parameters

Published Feb 18, 2026 · Updated Feb 18, 2026

Denial of service in the admin page of Bematech MP-4200 TH allows remote attackers to crash its embedded web service via a crafted POST request. The /en/conf_admin.html handler fails while processing malformed admin and person form values; the underlying memory or resource-handling error is undisclosed. No authentication or user interaction is required, and the demonstrated consequence is interruption of web management rather than confirmed printer shutdown.

CVSS severity8.7
High
EPSS probability0.42%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in the admin page of Bematech MP-4200 TH allows remote attackers to crash its embedded web service via a crafted POST request. The /en/conf_admin.html handler fails while processing malformed admin and person form values; the underlying memory or resource-handling error is undisclosed. No authentication or user interaction is required, and the demonstrated consequence is interruption of web management rather than confirmed printer shutdown.

The record

CVE
CVE-2019-25401
Published
Feb 18, 2026
Updated
Feb 18, 2026
Vendor
Bematech
Product
MP-4200
Classifications
CWE-400, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=MP-4200 TH

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Bematech · MP-4200version=MP-4200 TH

Published CVSS scores

8.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499.004Application or System Exploitation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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