CVE-2025-30254Network attack vector

Smart meter serial disclosure via username lookup

Published Apr 15, 2025 · Updated Apr 16, 2025

Authorization bypass in Growatt Cloud portal before 3.6.0 allows remote attackers to obtain a smart meter serial using its owner's username. The portal's meter lookup accepts an owner's username as the lookup key and returns the associated serial number without requiring authentication. The published impact is limited to serial-number disclosure, with no reported meter control or service interruption.

CVSS severity6.9
Medium
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in Growatt Cloud portal before 3.6.0 allows remote attackers to obtain a smart meter serial using its owner's username. The portal's meter lookup accepts an owner's username as the lookup key and returns the associated serial number without requiring authentication. The published impact is limited to serial-number disclosure, with no reported meter control or service interruption.

The record

CVE
CVE-2025-30254
Published
Apr 15, 2025
Updated
Apr 16, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-639
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 15, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 16, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.9ICS-CERTCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
5.3ICS-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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