Is CVE-2025-52548 in the CISA KEV catalog?

No. CVE-2025-52548 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-52548?

CVE-2025-52548 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2025-52548?

CVE-2025-52548 has an EPSS score of 0.33% (25th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-52548?

Upgrade e3 supervisory controller firmware to 2.31f01 or later.

CVE & CISA-KEV Catalog

CVE-2025-52548

MEDIUM

4.9

CVSS v3

NVD

Description

E3 Site Supervisor Control (firmware version < 2.31F01) contains a hidden API call in the application services that enables SSH and Shellinabox, which exist but are disabled by default. An attacker with admin access to the application services can utilize this API to enable remote access to the underlying OS.

CWE-1242

How to fix

Remediation Available

e3 supervisory controller firmwareNVD

Affected:< 2.31f01Fixed in:2.31f01CVE-2025-52548derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.33%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Mitigation1

armis.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-01.