CVE-2025-26858: A buffer overflow vulnerability exists in the Modbus TCP functionality of Socomec DIRIS Digiware M-70 1.6.9. A…
CVE-2025-26858 · Severity: high · CVSS 8.6 · Published 2025-12-01
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-26858 being exploited in the wild.
How severe is CVE-2025-26858?
High severity, with a CVSS score of 8.6, published 1 December 2025.
Which products and versions are affected?
Socomec Diris M-70, Socomec Diris M-70 Firmware. The advisory does not name versions.
Is there a fix for CVE-2025-26858?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-26858?
Check whether you run Socomec Diris M-70 or Socomec Diris M-70 Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.