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ID

VAR-202512-0340


CVE

CVE-2025-26858


TITLE

Socomec DIRIS Digiware M-70 buffer overflow vulnerability

Trust: 0.6

sources: CNVD: CNVD-2025-30460

DESCRIPTION

A buffer overflow vulnerability exists in the Modbus TCP functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted set of network packets can lead to denial of service. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability. The Socomec DIRIS Digiware M-70 is a communication gateway device that serves as the access point for the DIRIS Digiware system, integrating 24VDC power supply and communication functions into a single unit

Trust: 1.44

sources: NVD: CVE-2025-26858 // CNVD: CNVD-2025-30460

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-30460

AFFECTED PRODUCTS

vendor:socomecmodel:diris m-70scope:eqversion:1.6.9

Trust: 1.0

vendor:socomecmodel:diris digiware m-70scope:eqversion:1.6.9

Trust: 0.6

sources: CNVD: CNVD-2025-30460 // NVD: CVE-2025-26858

CVSS

SEVERITY

CVSSV2

CVSSV3

talos-cna@cisco.com: CVE-2025-26858
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2025-26858
value: HIGH

Trust: 1.0

CNVD: CNVD-2025-30460
value: HIGH

Trust: 0.6

CNVD: CNVD-2025-30460
severity: HIGH
baseScore: 7.8
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

talos-cna@cisco.com: CVE-2025-26858
baseSeverity: HIGH
baseScore: 8.6
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 4.0
version: 3.1

Trust: 1.0

nvd@nist.gov: CVE-2025-26858
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2025-30460 // NVD: CVE-2025-26858 // NVD: CVE-2025-26858

PROBLEMTYPE DATA

problemtype:CWE-20

Trust: 1.0

sources: NVD: CVE-2025-26858

PATCH

title:Patch for Socomec DIRIS Digiware M-70 buffer overflow vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/779176

Trust: 0.6

sources: CNVD: CNVD-2025-30460

EXTERNAL IDS

db:TALOSid:TALOS-2025-2152

Trust: 1.6

db:NVDid:CVE-2025-26858

Trust: 1.6

db:CNVDid:CNVD-2025-30460

Trust: 0.6

sources: CNVD: CNVD-2025-30460 // NVD: CVE-2025-26858

REFERENCES

url:https://talosintelligence.com/vulnerability_reports/talos-2025-2152

Trust: 1.6

url:https://www.talosintelligence.com/vulnerability_reports/talos-2025-2152

Trust: 1.0

url:https://www.socomec.fr/sites/default/files/2025-10/cve-2025-26858---diris-digiware-mxx-dxx-_vulnerabilities_2025-10-01-16-38-44_english_0.pdf

Trust: 1.0

sources: CNVD: CNVD-2025-30460 // NVD: CVE-2025-26858

SOURCES

db:CNVDid:CNVD-2025-30460
db:NVDid:CVE-2025-26858

LAST UPDATE DATE

2025-12-19T22:41:07.717000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-30460date:2025-12-11T00:00:00
db:NVDid:CVE-2025-26858date:2025-12-05T20:49:15.240

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-30460date:2025-12-11T00:00:00
db:NVDid:CVE-2025-26858date:2025-12-01T16:15:52.387