CVE-2019-6533

9.1 criticalEPSS 1.2%

Critical (9.1) in kunbus pr100088 modbus gateway firmware. EPSS 1.2% chance of exploitation in the next 30 days.

Registers used to store Modbus values can be read and written from the web interface without authentication in the PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166).

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-306
Published: 2019-02-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

kunbus:pr100088_modbus_gateway_firmware

References

https://ics-cert.us-cert.gov/advisories/ICSA-19-036-05
https://ics-cert.us-cert.gov/advisories/ICSA-19-036-05

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