CVE-2025-52548

Q: How do I fix CVE-2025-52548?

Upgrade e3 supervisory controller firmware to 2.31f01 or later.

Q: Is CVE-2025-52548 being actively exploited?

Not that we know of. CVE-2025-52548 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.34% is the estimated probability that it will be exploited in the next 30 days. That is higher than 27% of all scored CVEs.

Q: How severe is CVE-2025-52548?

CVE-2025-52548 has a CVSS v3 base score of 4.9, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2025-52548 affect?

Published advisories record a fix for e3 supervisory controller firmware (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

0.34%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Mitigation1

armis.com

Related Vulnerabilities

Other CWE-1242 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-20204	Unscored	-	0.8%	-	-
CVE-2021-4469	Unscored	-	0.6%	-	-
CVE-2024-52564	High	7.5	0.6%	-	-
CVE-2023-3634	High	8.8	0.5%	-	-
CVE-2024-2103	Medium	6.5	0.5%	-	-
CVE-2024-54457	High	7.2	0.4%	-	-

Common questions

How do I fix CVE-2025-52548?

Upgrade e3 supervisory controller firmware to 2.31f01 or later.

Is CVE-2025-52548 being actively exploited?

Not that we know of. CVE-2025-52548 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.34% is the estimated probability that it will be exploited in the next 30 days. That is higher than 27% of all scored CVEs.

How severe is CVE-2025-52548?

CVE-2025-52548 has a CVSS v3 base score of 4.9, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-52548 affect?

Published advisories record a fix for e3 supervisory controller firmware (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.