CVE-2025-26857: Unauthenticated attackers can rename arbitrary devices of arbitrary users (i.e., EV chargers).

Q: How do I fix CVE-2025-26857?

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

Q: Is CVE-2025-26857 being exploited?

CVE-2025-26857 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-2025-26857 affect?

CVE-2025-26857 affects cloud portal. Severity is medium (CVSS 5.3). Unauthenticated attackers can rename arbitrary devices of arbitrary users (i.e., EV chargers).

Q: How urgent is CVE-2025-26857?

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

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2025-26857 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 rename arbitrary devices of arbitrary users (i.e., EV chargers).

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 75%)
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 09:02 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-2025-26857?

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

Is CVE-2025-26857 being exploited?

CVE-2025-26857 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-2025-26857 affect?

CVE-2025-26857 affects cloud portal. Severity is medium (CVSS 5.3). Unauthenticated attackers can rename arbitrary devices of arbitrary users (i.e., EV chargers).

How urgent is CVE-2025-26857?

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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