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CVE-2024-43392

INDEX BUILT · 2026-09-20

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Phoenix Contact: Firewall reconfiguration through the FW_environment variables in MGUARD devices

CVE-2024-433924 of 4 sources documented this
30

rank 30 = 0 + 20 + 0 + 10 + 0

rank@v1 · scheduled

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.00519  ·  without this subject the record ranks 30

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 8.1, from the CNA  ·  without this subject the record ranks 10

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 30

How much of the world it touches

NVD CPE configurations

20 products in the CPE ranges  ·  without this subject the record ranks 20

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 30

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$22,800over the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$22,800 = $4.99M incident cost x 0.8814887365328109 exposure x 0.00519 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.00519EPSSNOT IN KEVas of 2026-09-20
Severity8.1 HIGHreceipt
Harmpartial impactreceipt
Exploitationnone in held sources
Defensefix version namedreceipt
Movementrisenreceipt
PLATEAU10Minimal movement since 2024-09-11, 644 days at 0.01, as of 2026-06-17. arc-rules@v1

Foresight · where to check next

MicrosoftDotNetNuke CMSActiveMQ BrokerSonicWall SMA1000langflow-aiRejetto HTTP File43392

This record is one instance of CWE-94, improper control of generation of code ('code injection'). The index holds 7185 prior instances of this class, 79 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signalspoke length is how much of the record matches, not how bad it is

Running PHOENIX CONTACT FL MGUARD 2102? Check your version

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Harm, if it fires from the vector and the weakness

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Reachnetwork-reachable · low privileges required · no user interaction · low attack complexityreceipt
ImpactComplete integrity and availability lossreceipt
Scored fromCVSS v3.1 · the CNA's vectorreceipt
Weakness classCWE-94 Improper Control of Generation of Code ('Code Injection')receipt
Published consequencesCWE-94: Access Control: Bypass Protection Mechanism; Access Control: Gain Privileges or Assume Identity; Integrity, Confidentiality, Availability: Execute Unauthorized Code or Commands…[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed in10.4.1; 8.9.3receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, the CNA8.1 HIGHreceipt
Exploit probability0.00519 · top 57% of all CVEsreceipt
Blast breadth20 products across 1 vendorderived
Assigned byCERTVDEreceipt
Recorded changes17 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productPHOENIX CONTACT FL MGUARD 2102; PHOENIX CONTACT FL MGUARD 2105; PHOENIX CONTACT FL MGUARD 4102 PCI; PHOENIX CONTACT FL MGUARD 4102 PCIE; PHOENIX CONTACT FL MGUARD 4302; PHOENIX CONTACT FL MGUARD 4305…receipt
Published rangesphoenixcontact tc mguard rs4000 4g vzw vpn firmware < 8.9.3; phoenixcontact tc mguard rs4000 4g vpn firmware < 8.9.3; phoenixcontact tc mguard rs4000 4g att vpn firmware < 8.9.3; phoenixcontact tc mguard rs4000 3g vpn firmware < 8.9.3receipt
Show all 20 published ranges
phoenixcontact tc mguard rs4000 4g vzw vpn firmware < 8.9.3
phoenixcontact tc mguard rs4000 4g vpn firmware < 8.9.3
phoenixcontact tc mguard rs4000 4g att vpn firmware < 8.9.3
phoenixcontact tc mguard rs4000 3g vpn firmware < 8.9.3
phoenixcontact tc mguard rs2000 4g vzw vpn firmware < 8.9.3
phoenixcontact tc mguard rs2000 4g vpn firmware < 8.9.3
phoenixcontact tc mguard rs2000 4g att vpn firmware < 8.9.3
phoenixcontact tc mguard rs2000 3g vpn firmware < 8.9.3
phoenixcontact fl mguard smart2 vpn firmware < 8.9.3
phoenixcontact fl mguard smart2 firmware < 8.9.3
phoenixcontact fl mguard rs4004 tx\/dtx vpn firmware < 8.9.3
phoenixcontact fl mguard rs4004 tx\/dtx firmware < 8.9.3
phoenixcontact fl mguard rs4000 tx\/tx vpn firmware < 8.9.3
phoenixcontact fl mguard rs4000 tx\/tx-p firmware < 8.9.3
phoenixcontact fl mguard rs4000 tx\/tx-m firmware < 8.9.3
phoenixcontact fl mguard rs4000 tx\/tx firmware < 8.9.3
phoenixcontact fl mguard rs2005 tx vpn firmware < 8.9.3
phoenixcontact fl mguard rs2000 tx\/tx vpn firmware < 8.9.3
phoenixcontact fl mguard rs2000 tx\/tx-b firmware < 8.9.3
phoenixcontact fl mguard pcie4000 vpn firmware < 8.9.3
Fixed in10.4.1; 8.9.3receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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Attack path

Network requestrequires low privilegesPHOENIX CONTACT FL MGUARD 2102CWE-94 code injectionIntegrity and availability lossI:H / A:Hexploits CWE-94data compromise

What it is stated by the CNA

A low privileged remote attacker can perform configuration changes of the firewall services, including packet filter, packet forwarding, network access control or NAT through the FW_INCOMING.FROM_IP FW_INCOMING.IN_IP FW_OUTGOING.FROM_IP FW_OUTGOING.IN_IP environment variable which can lead to a DoS. receipt

NVD's analysis a second authority

weakness
CWE-94
affected versions
phoenixcontact tc mguard rs4000 4g vzw vpn firmware < 8.9.3; phoenixcontact tc mguard rs4000 4g vpn firmware < 8.9.3; phoenixcontact tc mguard rs4000 4g att vpn firmware < 8.9.3; and 17 more, listed in full below
also scored by
[email protected] 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H · [email protected] 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

check it yourself cert.vde.com receipt

Movement the material steps

11 Sep 20240.00044
17 Mar 20250.0034 · scoring model v2025.03.14
15 Jun 20260.00497 · scoring model v2026.06.15
17 Jun 20260.00519
Show all 17 observations
11 Sep 20240.00044
28 Sep 20240.00046
17 Mar 20250.0034
29 Mar 20250.00478
30 Mar 20250.0034
6 Apr 20250.00365
15 Apr 20250.00215
16 Apr 20250.00241
16 May 20250.0031
27 May 20250.00326
7 Jul 20250.00344
19 Oct 20250.00891
18 Nov 20250.00585
21 Nov 20250.00891
18 Jan 20260.00495
15 Jun 20260.00497
17 Jun 20260.00519

17 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.00519Published2024-09-10Index as of2026-06-17

The record had been public for 1 year, 9 months when this index was last written.

Published 2024-09-10 receipt · Index as of 2026-06-17 derived

The pattern, elsewhere

This record is one instance of CWE-94, improper control of generation of code ('code injection'). The index holds 7185 prior instances of this class, 79 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2025-49704 · Microsoft SharePoint Enterprise Server 2016matches 7 of 9KEV listed · 2025receipt
CVE-2017-9822 · DotNetNuke CMS Fixed in 9.1.1matches 7 of 9KEV listed · 2017receipt
CVE-2026-34197 · Apache ActiveMQ Brokermatches 7 of 9KEV listed · 2026receipt
CVE-2026-15410 · SonicWall SMA1000matches 6 of 9KEV listed · 2026receipt
CVE-2025-3248 · langflow-ai langflowmatches 6 of 9KEV listed · 2025receipt
CVE-2024-23692 · Rejetto HTTP File Servermatches 6 of 9KEV listed · 2024receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

7185 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

Siblings and hubs

Records related to this one

Its defect family

phoenix contact fl mguard 2102

Of the 6 records in this family, this is the only one whose title names fw_environment variables.

Grouped by shared product and weakness, not by shared vulnerability. Each record's own state is on its own page.

Family membership: held values

This record is one of a group, and the group's page describes all of them. This page is kept and dated, and the defect family's own page is the one we offer for indexing: the whole group.

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What usually comes next

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