CVE-2025-26857: Growatt Cloud portal Authorization Bypass Through User-Controlled Key
Published Apr 15, 2025
·Updated
Unauthenticated attackers can rename arbitrary devices of arbitrary users (i.e., EV chargers).
Affected Software
2 affected components
: Growatt Growatt cloud portal: Versions 3.6.0 and prior
Growatt Cloud portal<=3.6.0
Remediation
Information
Growatt reports the cloud-based vulnerabilities were patched and no user action is needed. Additionally, Growatt strongly recommends that their users take proactive steps in securing their devices and take the following actions:
* Update all devices to the latest firmware version when available. (Updates are automatic, no user action needed.)
* Use strong passwords and enable multi-factor authentication where applicable.
* Report any security concerns to Service@Growatt.com.
* Stay vigilant. Users and installers should regularly review security settings, follow best practices, and report any unusual activity.
Event History
Apr 15, 2025
CVE Published
via MITRE·09:12 PM
Data Sourced
via MITRE·09:12 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-26857?
CVE-2025-26857 has a high severity as it allows unauthenticated attackers to rename devices belonging to users.
2
How do I fix CVE-2025-26857?
To mitigate CVE-2025-26857, users should upgrade the Growatt Cloud Portal to version 3.6.0 or later.
3
Who is affected by CVE-2025-26857?
CVE-2025-26857 affects users of the Growatt Cloud Portal prior to version 3.6.0.
4
What kind of devices are targeted in CVE-2025-26857?
CVE-2025-26857 targets EV chargers linked to the Growatt Cloud Portal.
5
Can I still use the Growatt Cloud Portal if I have CVE-2025-26857?
While you can still use the Growatt Cloud Portal, it is recommended to upgrade to avoid the vulnerabilities associated with CVE-2025-26857.