CVE-2025-30257: Unauthenticated attackers can retrieve serial number of smart meters associated to a specific user account.

Q: How do I fix CVE-2025-30257?

cloud portal: upgrade to newer than 3.6.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-30257 being exploited?

CVE-2025-30257 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-30257 affect?

CVE-2025-30257 affects cloud portal. Severity is medium (CVSS 5.3). Unauthenticated attackers can retrieve serial number of smart meters associated to a specific user account.

Q: How urgent is CVE-2025-30257?

Priority 30/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2025-30257 is a medium-severity flaw (CVSS 5.3) affecting cloud portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unauthenticated attackers can retrieve serial number of smart meters associated to a specific user account.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-639
Published	2025-04-15
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: growatt

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-15 22:15 UTCPublished CVE record published
2026-06-17 09:08 UTCUpdated Record last modified

growatt cloud portal UPGRADE

Affected: <= 3.6.0

Fixed in: newer than 3.6.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cloud-portal || rpm -q cloud-portal || cloud-portal --version

2. UPGRADE to newer than 3.6.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cloud-portal

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cloud-portal

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-30257?

cloud portal: upgrade to newer than 3.6.0. Exact commands for each OS are on this page.

Is CVE-2025-30257 being exploited?

CVE-2025-30257 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-30257 affect?

CVE-2025-30257 affects cloud portal. Severity is medium (CVSS 5.3). Unauthenticated attackers can retrieve serial number of smart meters associated to a specific user account.

How urgent is CVE-2025-30257?

Priority 30/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-31950 MEDIUM 5.3 UPGRADE An unauthenticated attacker can obtain EV charger energy consumption information of other users.
CVE-2025-31949 MEDIUM 5.3 UPGRADE An authenticated attacker can obtain any plant name by knowing the plant ID.
CVE-2025-31945 MEDIUM 5.3 UPGRADE An unauthenticated attacker can obtain other users' charger information.
CVE-2025-31941 MEDIUM 5.3 UPGRADE An unauthenticated attacker can obtain a list of smart devices by knowing a valid username.
CVE-2025-31933 MEDIUM 5.3 UPGRADE An unauthenticated attacker can check the existence of usernames in the system by querying an API.

References

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