What’s Vulnerable › Vulnerabilities
CVE-2026-1772
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-24 · updated 2026-06-17
- Weakness: CWE-280
Description
RTU500 web interface: An unprivileged user can read user management information. The information cannot be accessed via the RTU500 web user interface but requires further tools like browser development utilities to access them without required privileges.
Affected products
- Hitachienergy Rtu520 Firmware: from 12.7.1 through 12.7.7; from 13.5.1 through 13.5.4; from 13.6.1 through 13.6.2; from 13.7.1 before 13.7.8; 13.8.1 — fixed in 13.7.8
- Hitachienergy Rtu530 Firmware: from 12.7.1 through 12.7.7; from 13.5.1 through 13.5.4; from 13.6.1 through 13.6.2; from 13.7.1 before 13.7.8; 13.8.1 — fixed in 13.7.8
- Hitachienergy Rtu540 Firmware: from 12.7.1 through 12.7.7; from 13.5.1 through 13.5.4; from 13.6.1 through 13.6.2; from 13.7.1 before 13.7.8; 13.8.1 — fixed in 13.7.8
- Hitachienergy Rtu560 Firmware: from 12.7.1 through 12.7.7; from 13.5.1 through 13.5.4; from 13.6.1 through 13.6.2; from 13.7.1 before 13.7.8; 13.8.1 — fixed in 13.7.8
How to fix
Upgrade to a fixed version: Hitachienergy Rtu520 Firmware 13.7.8; Hitachienergy Rtu530 Firmware 13.7.8; Hitachienergy Rtu540 Firmware 13.7.8; Hitachienergy Rtu560 Firmware 13.7.8. Check the vendor advisory for mitigations.
References
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