CVE-2019-6816

Severity: critical (CVSS 9.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-05-22 · updated 2026-06-17
Weakness: CWE-94

Description

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.

Affected products

Modicon Quantum - all firmware versions: all versions

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/

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