CVE-2026-1772

Name: CVE-2026-1772
Creator: NVD / NIST
Published: 2026-02-24T14:16:22.18+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2026-1772 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

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

CVSS 4.0

5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.26%

17.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-280

Affected Software

Vendor	Product	Versions
Hitachienergy	Rtu520 Firmware	>= 12.7.1, <= 12.7.7
Hitachienergy	Rtu520 Firmware	>= 13.5.1, <= 13.5.4
Hitachienergy	Rtu520 Firmware	>= 13.6.1, <= 13.6.2
Hitachienergy	Rtu520 Firmware	>= 13.7.1, < 13.7.8
Hitachienergy	Rtu520 Firmware	13.8.1
Hitachienergy	Rtu530 Firmware	>= 12.7.1, <= 12.7.7
Hitachienergy	Rtu530 Firmware	>= 13.5.1, <= 13.5.4
Hitachienergy	Rtu530 Firmware	>= 13.6.1, <= 13.6.2
Hitachienergy	Rtu530 Firmware	>= 13.7.1, < 13.7.8
Hitachienergy	Rtu530 Firmware	13.8.1
Hitachienergy	Rtu540 Firmware	>= 12.7.1, <= 12.7.7
Hitachienergy	Rtu540 Firmware	>= 13.5.1, <= 13.5.4
Hitachienergy	Rtu540 Firmware	>= 13.6.1, <= 13.6.2
Hitachienergy	Rtu540 Firmware	>= 13.7.1, < 13.7.8
Hitachienergy	Rtu540 Firmware	13.8.1
Hitachienergy	Rtu560 Firmware	>= 12.7.1, <= 12.7.7
Hitachienergy	Rtu560 Firmware	>= 13.5.1, <= 13.5.4
Hitachienergy	Rtu560 Firmware	>= 13.6.1, <= 13.6.2
Hitachienergy	Rtu560 Firmware	>= 13.7.1, < 13.7.8
Hitachienergy	Rtu560 Firmware	13.8.1

References

https://publisher.hitachienergy.com/preview?DocumentID=8DBD000237&LanguageCode=en&DocumentPartId=&Action=LaunchVendor Advisory

Timeline

Published: Feb 24, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-1772?

How severe is CVE-2026-1772?

CVE-2026-1772 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1772?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1772?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST