Vulnerability in Tigo Energy Cloud Connect Advanced
CVE-2025-7770
Tigo Energy's CCA device is vulnerable to insecure session ID generation in their remote API. The session IDs are generated using a predictable method based on the current timestamp, allowing attackers to recreate valid session IDs. When combined with the ability to circumvent session ID requirements for certain commands, this enables unauthorized access to sensitive device functions on connected solar optimization systems.
EPSS: 0.005 (41.7th percentile) — read the EPSS interpretation.
Affected products
- Tigo Energy Cloud Connect Advanced — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ics-cert@hq.dhs.gov (government-resource)
Frequently asked questions
- What is CVE-2025-7770?
- CVE-2025-7770 is a vulnerability in Tigo Energy Cloud Connect Advanced, classified under CWE-337. Published 2025-08-06.
- Is CVE-2025-7770 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.