Common Weakness Enumeration

CWE-430

Weakness Allowed

Deployment of Wrong Handler

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The wrong "handler" is assigned to process an object or request.

Dimensions

Behavior-Type: Deployment
Code-Type: Handler
Code-Property: Wrong

Mapping guidance

This CWE entry is at the Base level of abstraction, which is a preferred level of abstraction for mapping to the root causes of vulnerabilities.

Carefully read both the name and description to ensure that this mapping is an appropriate fit. Do not try to 'force' a mapping to a lower-level Base/Variant simply to comply with this preferred level of abstraction.

Relationships and members

ChildOf: CWE-691 · View CWE-1000

CanPrecede: CWE-433 · View CWE-1000

PeerOf: CWE-434 (symmetric) · View CWE-1000

Modes of introduction

Implementation

This can happen when the product automatically "determines" the type of the object even if it is contradictory to an explicitly specified type.

Content history

Submission: PLOVER · 2006-07-19 · CWE Draft 3

Modification: Eric Dalci · Cigital · 2008-07-01 · CWE 1.0

updated Potential_Mitigations, Time_of_Introduction

Modification: CWE Content Team · MITRE · 2008-09-08 · CWE 1.0

updated Relationships, Other_Notes, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2008-10-14 · CWE 1.0.1

updated Description

Modification: CWE Content Team · MITRE · 2009-10-29 · CWE 1.6

updated Other_Notes, Weakness_Ordinalities

Modification: CWE Content Team · MITRE · 2011-06-01 · CWE 1.13

updated Common_Consequences

Modification: CWE Content Team · MITRE · 2011-06-27 · CWE 2.0

updated Common_Consequences

Modification: CWE Content Team · MITRE · 2012-05-11 · CWE 2.2

updated References, Relationships

Modification: CWE Content Team · MITRE · 2012-10-30 · CWE 2.3

updated Potential_Mitigations

Modification: CWE Content Team · MITRE · 2014-07-30 · CWE 2.8

updated Relationships

Modification: CWE Content Team · MITRE · 2017-11-08 · CWE 3.0

updated Applicable_Platforms

Modification: CWE Content Team · MITRE · 2019-06-20 · CWE 3.3

updated Related_Attack_Patterns

Modification: CWE Content Team · MITRE · 2021-10-28 · CWE 4.6

updated Relationships

Modification: CWE Content Team · MITRE · 2023-04-27 · CWE 4.11

updated Relationships

Modification: CWE Content Team · MITRE · 2023-06-29 · CWE 4.12

updated Mapping_Notes

Modification: CWE Content Team · MITRE · 2025-12-11 · CWE 4.19

updated Applicable_Platforms

Modification: CWE Content Team · MITRE · 2026-10-28 · CWE 5.0

updated Applicable_Platforms, Common_Consequences, Description, Dimensions, Modes_of_Introduction

4 vulnerabilities reference this CWE, most recent first.

CVE-2026-42356 (GCVE-0-2026-42356)

Vulnerability from cvelistv5 – Published: 2026-10-01 15:54 – Updated: 2026-10-01 20:09

Title

Apache HTTP Server: limited RCE for some internal redirects to non-CGI files in CGI directories

Summary

Deployment of wrong handler vulnerability in Apache HTTP Server allows the target of some internal redirects from CGI programs to also be treated as CGI and executed. The target must already be in a directory enabled for CGI and have no other extension understood by mod_mime. This issue affects Apache HTTP Server: from 2.4.60 through 2.4.68.

Severity

3.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-01 16:19 UTC

CWE

CWE-430 - Deployment of wrong handler

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1176 records in the last 180 days details

References

2 references

URL	Tags
https://httpd.apache.org/security/vulnerabilities…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/1…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache HTTP Server	Affected: 2.4.60 , ≤ 2.4.68 (semver)

Credits

Feliks Penconek

Show details on NVD website

JSON

To clipboard

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CVE-2025-3946 (GCVE-0-2025-3946)

Vulnerability from cvelistv5 – Published: 2025-07-10 20:16 – Updated: 2025-08-04 19:46

Title

Incorrect response generation during FTEB protocol processing

Summary

The Honeywell Experion PKS and OneWireless WDM contains a Deployment of Wrong Handler vulnerability in the component Control Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to Input Data Manipulation, which could result in incorrect handling of packets leading to remote code execution. Honeywell recommends updating to the most recent version of Honeywell Experion PKS:520.2 TCU9 HF1 and 530.1 TCU3 HF1 and OneWireless: 322.5 and 331.1. The affected Experion PKS products are C300 PCNT02, C300 PCNT05, FIM4, FIM8, UOC, CN100, HCA, C300PM, and C200E. The Experion PKS versions affected are from 520.1 through 520.2 TCU9 and from 530 through 530 TCU3. The OneWireless WDM affected versions are 322.1 through 322.4 and 330.1 through 330.3.

Severity

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-07-10 20:35 UTC

CWE

CWE-430 - Deployment of Wrong Handler

Assigner

Honeywell CNA under the icscert root

CNA scorecard – unranked: 7 records in the last 180 days, 10 needed details

References

1 reference

URL	Tags
https://process.honeywell.com/

Impacted products

10 products

Vendor	Product	Version
Honeywell	C300 PCNT02	Affected: 520.1 , ≤ 520.2 TCU9 (semver) Affected: 530 , ≤ 530 TCU3 (semver)
Honeywell	C300 PCNT05	Affected: 520.1 , ≤ 520.2 TCU9 (semver) Affected: 530 , ≤ 530 TCU3 (semver)
Honeywell	FIM4	Affected: 520.1 , ≤ 520.2 TCU9 (semver) Affected: 530 , ≤ 530 TCU3 (semver)
Honeywell	FIM8	Affected: 520.1 , ≤ 520.2 TCU9 (semver) Affected: 530 , ≤ 530 TCU3 (semver)
Honeywell	UOC	Affected: 520.1 , ≤ 520.2 TCU9 (semver) Affected: 530 , ≤ 530 TCU3 (semver)
Honeywell	CN100	Affected: 520.1 , ≤ 520.2 TCU9 (semver) Affected: 530 , ≤ 530 TCU3 (semver)
Honeywell	HCA	Affected: 520.1 , ≤ 520.2 TCU9 (semver) Affected: 530 , ≤ 530 TCU3 (semver)
Honeywell	C300PM	Affected: 520.1 , ≤ 520.2 TCU9 (semver) Affected: 530 , ≤ 530 TCU3 (semver)
Honeywell	C200E	Affected: 520.1 , ≤ 520.2 TCU9 (semver) Affected: 530 , ≤ 530 TCU3 (semver)
Honeywell	Wireless Device Manager	Affected: 322.1 , ≤ 322.4 (semver) Affected: 330.1 , ≤ 330.3 (semver)

Credits

Demid Uzenkov and Kirill Kutaev (Positive Technologies)

Show details on NVD website

JSON

To clipboard

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GHSA-Q4MP-GPC2-GHWW

Vulnerability from github – Published: 2025-07-10 21:31 – Updated: 2025-07-10 21:31

Details

The Honeywell Experion PKS

and OneWireless WDM

contains a Deployment of Wrong Handler

vulnerability

in the component Control Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to

Input Data Manipulation,

which could result in incorrect handling of packets leading to remote code execution.

Honeywell recommends updating to the most recent version of Honeywell Experion PKS:520.2 TCU9 HF1 and 530.1 TCU3 HF1 and OneWireless: 322.5 and 331.1.

The affected Experion PKS products are C300 PCNT02, C300 PCNT05, FIM4, FIM8, UOC, CN100, HCA, C300PM, and C200E. The Experion PKS versions affected are from 520.1 through 520.2 TCU9 and from 530 through 530 TCU3. The OneWireless WDM affected versions are 322.1 through 322.4 and 330.1 through 330.3.

Severity

8.2 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2025-3946"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-430"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-10T21:15:28Z",
    "severity": "HIGH"
  },
  "details": "The Honeywell Experion PKS \n\nand OneWireless WDM\n\ncontains a Deployment of Wrong Handler\n\n \n\nvulnerability \n\nin the component Control\u00a0Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to \n\nInput Data Manipulation, \n\n which could result in incorrect handling of packets leading to remote code execution.\n\n\n\nHoneywell recommends updating to the most recent version of Honeywell Experion PKS:520.2 TCU9 HF1 and 530.1 TCU3 HF1 and OneWireless: 322.5 and 331.1.\n\nThe affected Experion PKS products are C300 PCNT02, C300 PCNT05, FIM4, FIM8, UOC, CN100, HCA, C300PM, and C200E.  The Experion PKS versions affected are from 520.1 through 520.2 TCU9 and from 530 through 530 TCU3.\u00a0The OneWireless WDM affected versions are 322.1 through 322.4 and 330.1 through 330.3.",
  "id": "GHSA-q4mp-gpc2-ghww",
  "modified": "2025-07-10T21:31:54Z",
  "published": "2025-07-10T21:31:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-3946"
    },
    {
      "type": "WEB",
      "url": "https://process.honeywell.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-RXHX-8QF3-FC8H

Vulnerability from github – Published: 2026-10-01 18:32 – Updated: 2026-10-01 21:32

Details

This issue affects Apache HTTP Server: from 2.4.60 through 2.4.68.

Severity

3.7 (Low)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-42356"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-430"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-01T16:17:43Z",
    "severity": "LOW"
  },
  "details": "Deployment of wrong handler vulnerability in Apache HTTP Server allows the target of some internal redirects from CGI programs to also be treated as CGI and executed. The target must already be in a directory enabled for CGI and have no other extension understood by mod_mime.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.60 through 2.4.68.",
  "id": "GHSA-rxhx-8qf3-fc8h",
  "modified": "2026-10-01T21:32:49Z",
  "published": "2026-10-01T18:32:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42356"
    },
    {
      "type": "WEB",
      "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/10/01/11"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

Mitigation

Architecture and Design

Perform a type check before interpreting an object.

Mitigation

Architecture and Design

Reject any inconsistent types, such as a file with a .GIF extension that appears to consist of PHP code.

CAPEC-11: Cause Web Server Misclassification

An attack of this type exploits a Web server's decision to take action based on filename or file extension. Because different file types are handled by different server processes, misclassification may force the Web server to take unexpected action, or expected actions in an unexpected sequence. This may cause the server to exhaust resources, supply debug or system data to the attacker, or bind an attacker to a remote process.

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