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Vulnerability record · CVE-2025-26858 · published 1 December 2025

CVE-2025-26858: Socomec diris m-70 firmware improper input validation vulnerability

Socomec · Diris M 70 Firmware

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.

7.5 CVSS 3.1 High EPSS 0.65% · top 51.2% CWE-20 · Improper input validation
7.5CVSS 3.1 base score
0.65%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
26 Sep 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2152 Vendor Advisory
https://www.socomec.fr/sites/default/files/2025-10/CVE-2025-26858---Diris-Digiware-Mxx-Dxx-_VULNERABILITIES_2025-10-01-1 Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2152 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2024-53684Socomec diris m-70 firmware cross-site request forgery vulnerabilityA cross-site request forgery (csrf) vulnerability exists in the WEBVIEW-M functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted HTT…EPSS 0.24%7.5CVE-2025-54850Socomec diris m-70 firmware missing authentication for critical function vulnerabilityA denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially cr…EPSS 0.32%7.5CVE-2025-54851Socomec diris m-70 firmware missing authentication for critical function vulnerabilityA denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially cr…EPSS 0.43%7.5CVE-2025-55221Socomec diris m-70 firmware missing authentication for critical function vulnerabilityA denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP USB Function functionality of Socomec DIRIS Digiware M-70 1.6.9. A…EPSS 0.42%7.5CVE-2025-55222Socomec diris m-70 firmware missing authentication for critical function vulnerabilityA denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP USB Function functionality of Socomec DIRIS Digiware M-70 1.6.9. A…EPSS 0.42%7.5CVE-2025-23417Socomec diris m-70 firmware missing authentication for critical function vulnerabilityA denial of service vulnerability exists in the Modbus RTU over TCP functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted network p…EPSS 0.54%7.5CVE-2024-48894Socomec diris m-70 firmware cleartext transmission vulnerabilityA cleartext transmission vulnerability exists in the WEBVIEW-M functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted HTTP request c…EPSS 1.1%7.5CVE-2024-48882Socomec diris m-70 firmware missing authentication for critical function vulnerabilityA denial of service vulnerability exists in the Modbus TCP functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted network packet can…EPSS 0.54%

Source: NIST National Vulnerability Database (record CVE-2025-26858), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.