CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2018-7846
Critical (9.8) in schneider-electric. EPSS 30% chance of exploitation in the next 30 days.
A CWE-501: Trust Boundary Violation vulnerability on connection to the Controller exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause unauthorized access by conducting a brute force attack on Modbus protocol to the controller.
Severity
- EPSS
- 30% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
- CWE
- CWE-668
- Published
- Modified
- Record from
- the NVD, synced
Affected
- schneider-electric:modicon_m340_firmware
- schneider-electric:modicon_m580_firmware
- schneider-electric:modicon_premium_firmware
- schneider-electric:modicon_quantum_firmware