CVE-2025-7770

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Tigo EnergyCloud Connect Advanced0 <= 4.0.1affected

Weaknesses

  • CWE-337: CWE-337 Predictable Seed in Pseudo-Random Number Generator (PRNG)

Workarounds

Tigo Energy is aware of these vulnerabilities and is actively working on a fix to address them.

Visit Tigo Energy's Help Center for more specific security recommendations.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References