CVE-2025-48393Network attack vector

Firmware interception via improper server identity validation

Published Aug 6, 2025 · Updated Feb 9, 2026

Improper certificate validation in Eaton Rack PDU G4 before 3.5.0 allows man-in-the-middle attackers to intercept firmware traffic. The command-shell upgrade workflow incorrectly validates the remote server identity before accepting firmware content. Reaching the flaw requires privileged command-shell access, user interaction, and a network position that can intercept the upgrade connection.

CVSS severity5.7
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper certificate validation in Eaton Rack PDU G4 before 3.5.0 allows man-in-the-middle attackers to intercept firmware traffic. The command-shell upgrade workflow incorrectly validates the remote server identity before accepting firmware content. Reaching the flaw requires privileged command-shell access, user interaction, and a network position that can intercept the upgrade connection.

The record

CVE
CVE-2025-48393
Published
Aug 6, 2025
Updated
Feb 9, 2026
Vendor
Eaton
Product
Eaton Rack PDU G4
Classifications
CWE-295, T1557
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <3.5.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Eaton · Eaton Rack PDU G4version=0 <3.5.0

Published CVSS scores

5.7EatonCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-295Improper Certificate Validation
T1557Adversary-in-the-Middle

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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