CVE-2025-52547: E3 Site Supervisor Control (firmware version < 2.31F01) MGW contains an API call that lacks input validation

Q: How do I fix CVE-2025-52547?

e3 supervisory controller firmware: upgrade to 2.31f01. Exact commands for each OS are on this page.

Q: Is CVE-2025-52547 being exploited?

CVE-2025-52547 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-52547 affect?

CVE-2025-52547 affects e3 supervisory controller firmware. Severity is high (CVSS 7.5). E3 Site Supervisor Control (firmware version < 2.31F01) MGW contains an API call that lacks input validation. An attacker can use this command to continuously crash the application services.

Q: How urgent is CVE-2025-52547?

Priority 38/100. High severity; Remotely exploitable, no login, no user action

Routine

HIGH 7.5REMOTEUPGRADE

CVE-2025-52547 is a high-severity flaw (CVSS 7.5) affecting e3 supervisory controller firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

E3 Site Supervisor Control (firmware version < 2.31F01) MGW contains an API call that lacks input validation. An attacker can use this command to continuously crash the application services.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-20
Published	2025-09-02
Last modified	2026-10-23

Publisher (CNA): Armis · Vendor: copeland

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-02 12:15 UTCPublished CVE record published
2026-10-23 23:10 UTCUpdated Record last modified

copeland e3 supervisory controller firmware UPGRADE

Affected: < 2.31f01

Fixed in: 2.31f01

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

Fedora ELN · ntpd-rs · FIXED · 1.7.2-3.eln159 · FEDORA-2026-57e4a99310 · source

sudo dnf upgrade --advisory=FEDORA-2026-57e4a99310

Fedora 46 · moby-engine · FIXED · 29.9.2-2.fc46 · FEDORA-2026-4856be87b3 · source

sudo dnf upgrade --advisory=FEDORA-2026-4856be87b3

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-52547?

e3 supervisory controller firmware: upgrade to 2.31f01. Exact commands for each OS are on this page.

Is CVE-2025-52547 being exploited?

CVE-2025-52547 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-52547 affect?

CVE-2025-52547 affects e3 supervisory controller firmware. Severity is high (CVSS 7.5). E3 Site Supervisor Control (firmware version < 2.31F01) MGW contains an API call that lacks input validation. An attacker can use this command to continuously crash the application services.

How urgent is CVE-2025-52547?

Priority 38/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

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CVE-2025-52544 HIGH 7.5 UPGRADE E3 Site Supervisor Control (firmware version < 2.31F01) has a floor plan feature that allows for an unauthenti
CVE-2025-52543 HIGH 7.5 UPGRADE E3 Site Supervisor Control (firmware version < 2.31F01) application services (MGW and RCI) uses client side ha
CVE-2025-52545 HIGH 7.5 UPGRADE E3 Site Supervisor Control (firmware version < 2.31F01) RCI service contains an API call to read users info, w

References

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