vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-1772

MEDIUM
5.3
CVSS Score
Published: February 24, 2026 at 01:03 PM UTC
Updated: June 17, 2026 at 10:16 AM UTC
5 products affected across 1 vendorRTU520 FirmwareRTU530 FirmwareRTU540 Firmware

Using RTU500 series CMU firmware by Hitachi Energy?

Get instant alerts when new vulnerabilities affect RTU500 series CMU firmware - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

RTU520 Firmware· Hitachi Energy
95%
12.7.1 ≤ v ≤ 12.7.713.5.1 ≤ v ≤ 13.5.413.6.1 ≤ v ≤ 13.6.213.7.1 ≤ v < 13.7.813.8.1
hitachienergy-rtu520 (same device)
RTU530 Firmware· Hitachi Energy
95%
12.7.1 ≤ v ≤ 12.7.713.5.1 ≤ v ≤ 13.5.413.6.1 ≤ v ≤ 13.6.213.7.1 ≤ v < 13.7.813.8.1
hitachienergy-rtu530 (same device)
RTU540 Firmware· Hitachi Energy
95%
12.7.1 ≤ v ≤ 12.7.713.5.1 ≤ v ≤ 13.5.413.6.1 ≤ v ≤ 13.6.213.7.1 ≤ v < 13.7.813.8.1
hitachienergy-rtu540 (same device)
RTU560 Firmware· Hitachi Energy
95%
12.7.1 ≤ v ≤ 12.7.713.5.1 ≤ v ≤ 13.5.413.6.1 ≤ v ≤ 13.6.213.7.1 ≤ v < 13.7.813.8.1
hitachienergy-rtu560 (same device)
RTU500· Hitachi Energy
60%
12.7.1 ≤ v ≤ 12.7.713.5.1 ≤ v ≤ 13.5.413.6.1 ≤ v ≤ 13.6.213.7.1 ≤ v ≤ 13.7.712.7.113.5.113.6.113.7.113.8.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000237&LanguageCode=en&DocumentPartId=&Action=Launch

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMHitachi Energy
Vector?

Quick Info

StatusANALYZED
CWE
CWE-287CWE-280

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card