CVE-2025-27461: During startup, the device automatically logs in the EPC2 Windows user without requesting a password.

Routine

HIGH 7.6MITIGATE

CVE-2025-27461 is a high-severity flaw (CVSS 7.6) affecting meac300-fnade4 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

During startup, the device automatically logs in the EPC2 Windows user without requesting a password.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.6 (High)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-862
Published	2025-07-03
Last modified	2026-06-17

Publisher (CNA): SICK AG · Vendor: endress

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-07-03 12:15 UTCPublished CVE record published
2026-06-17 09:03 UTCUpdated Record last modified

endress meac300-fnade4 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

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.

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-2025-27461?

meac300-fnade4 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-27461 being exploited?

CVE-2025-27461 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-2025-27461 affect?

CVE-2025-27461 affects meac300-fnade4 firmware. Severity is high (CVSS 7.6). During startup, the device automatically logs in the EPC2 Windows user without requesting a password.

How urgent is CVE-2025-27461?

Priority 31/100. High severity

Software pages

Windows vulnerabilities

Related CVEs

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References

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