What is CVE-2025-26858?

CVE-2025-26858 is a high-severity vulnerability in Socomec Diris Digiware M-70, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2025-12-01.

How severe is CVE-2025-26858?

High severity. CVSS v3 base score is 8.6 out of 10.

Improper input validation in Socomec Diris Digiware M-70

CVE-2025-26858

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2025-12-01 · last modified 2026-09-26.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Socomec Diris Digiware M-70 — versions 1.6.9
Socomec Diris M-70
Socomec Diris M-70 Firmware — versions 1.6.9

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

talosintelligence.com/vulnerability_reports/TALOS-2025-2152 (Vendor Advisory)
www.socomec.fr/sites/default/files/2025-10/CVE-2025-26858---Diris-Digiware-Mxx-… (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-26858?: CVE-2025-26858 is a high-severity vulnerability in Socomec Diris Digiware M-70, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2025-12-01.
How severe is CVE-2025-26858?: High severity. CVSS v3 base score is 8.6 out of 10.