Schneider Electric Modicon M340 FTP denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Schneider Electric Modicon M340, BMXNOR0200H Ethernet, Serial RTU Module, BMXNGD0100 M580 Global Data Module, BMXNOC0401 Modicon M340 X80 Ethernet Communication Module, BMXNOE0100 Modbus, TCP Ethernet Modicon M340 Module, BMXNOE0110 Modbus and TCP Ethernet Modicon M340 FactoryCast Module and classified as problematic. The affected element is an unknown function of the component FTP Handler. The manipulation results in denial of service. This vulnerability is identified as CVE-2025-6625. The attack can be executed remotely. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical has been found in Schneider Electric Modicon M340, BMXNOR0200H Ethernet, Serial RTU Module, BMXNGD0100 M580 Global Data Module, BMXNOC0401 Modicon M340 X80 Ethernet Communication Module, BMXNOE0100 Modbus, TCP Ethernet Modicon M340 Module, BMXNOE0110 Modbus and TCP Ethernet Modicon M340 FactoryCast Module. Affected is an unknown code of the component FTP Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

CWE-20: Improper Input Validation vulnerability exists that could cause a Denial Of Service when specific crafted FTP command is sent to the device.

The advisory is shared for download at download.schneider-electric.com. This vulnerability is traded as CVE-2025-6625 since 06/25/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Applying a patch is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (schneider): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/25/2025 CVE reserved
08/18/2025 +54 days Advisory disclosed
08/18/2025 +0 days VulDB entry created
08/18/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: schneider-electric.com

Advisory: SEVD-2025-224-05
Status: Confirmed

CVE: CVE-2025-6625 (🔒)
GCVE (CVE): GCVE-0-2025-6625
GCVE (VulDB): GCVE-100-320436

Entryinfo

Created: 08/18/2025 09:36
Updated: 08/18/2025 16:03
Changes: 08/18/2025 09:36 (76), 08/18/2025 16:03 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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