Vulnerabilities

Vulnerability · CVE-2025-47872

The public-facing product registration endpoint server responds differently depending on whether the S/N is valid and unregistered, valid but already registered, or does not exist

Published Aug 8, 2025 · catalog updated Aug 8, 2025 · EG4 Electronics EG4 Flex 18

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-47872. EPSS is 0.31%. Act only if a listed version of EG4 Electronics EG4 Flex 18 is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.31%
Remediation
Vendor / distro source
Affected products
vendor EG4 Electronics EG4 Flex 18 all versions

The public-facing product registration endpoint server responds differently depending on whether the S/N is valid and unregistered, valid but already registered, or does not exist in the database. Combined with the fact that serial numbers are sequentially assigned, this allows an attacker to gain information on the product registration status of different S/Ns.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor EG4 Electronics EG4 Flex 18 all versionsall versions

How to fix CVE-2025-47872

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-47872. EPSS is 0.31%. Act only if a listed version of EG4 Electronics EG4 Flex 18 is installed.

Which versions are affected?

Compare what you have installed with EG4 Electronics EG4 Flex 18 all versions all versions. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.31%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 8, 2025 · EUVD

    Detected

    The public-facing product registration endpoint server responds differently depending on whether the S/N is valid and unregistered, valid but already registered, or does not exist in the database. Combined with the fact that serial numbers are sequentially assigned, this allows an attacker to gain information on the product registration status of different S/Ns.

  2. Aug 8, 2025 · EUVD

    Updated

    The public-facing product registration endpoint server responds differently depending on whether the S/N is valid and unregistered, valid but already registered, or does not exist in the database. Combined with the fact that serial numbers are sequentially assigned, this allows an attacker to gain information on the product registration status of different S/Ns.

Sources

  • CVE.orgVulnerability recordCVE-2025-47872

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-47872

    30-day exploitation probability 0.31%

    first.org
  • EUVDVulnerability recordEUVD-2025-23993

    The public-facing product registration endpoint server responds differently depending on whether the S/N is valid and unregistered, valid but already registered, or does not exist in the database. Combined with the fact that serial numbers are sequentially assigned, this allows a

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 20, 2026