CVE-2025-7770— Predictable Seed in Pseudo-Random Number Generator (PRNG) in Tigo Energy Cloud Connect Advanced
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I. Basic Information for CVE-2025-7770
Vulnerability Information
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Vulnerability Title
Predictable Seed in Pseudo-Random Number Generator (PRNG) in Tigo Energy Cloud Connect Advanced
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
PRNG中使用可预测种子
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tigo Energy Cloud Connect Advanced 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tigo Energy Cloud Connect Advanced是美国Tigo Energy公司的一款紧凑型数据记录器。 Tigo Energy Cloud Connect Advanced存在安全漏洞，该漏洞源于会话ID生成不安全，可能导致未授权访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Tigo Energy | Cloud Connect Advanced | 0 ~ 4.0.1 | - |
II. Public POCs for CVE-2025-7770
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Tigo Energy · 2025-08-06 · 3 CVEs total
| CVE-2025-7768 | Use of Hard-coded Credentials in Tigo Energy Cloud Connect Advanced | |
| CVE-2025-7769 | Improper Neutralization of Special Elements used in a Command ('Command Injection') in Tig |
IV. Related Vulnerabilities
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V. Comments for CVE-2025-7770
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