CVE-2019-6816

9.1 criticalEPSS 1.5%

Critical (9.1) in schneider-electric modicon quantum firmware. EPSS 1.5% chance of exploitation in the next 30 days.

In Modicon Quantum all firmware versions, a CWE-94: Code Injection vulnerability could cause an unauthorized firmware modification with possible Denial of Service when using Modbus protocol.

Severity

CVSS 3.0

9.1 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2019-05-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

schneider-electric:modicon_quantum_firmware

References

https://www.schneider-electric.com/en/download/document/SEVD-2019-134-09/
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-09/

Check your stack JSON