CVE-2025-32756 PoC — Fortinet多款产品 安全漏洞

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# CVE-2025-32756: Fortinet RCE PoC

A proof-of-concept for the critical stack-based buffer overflow vulnerability (CVE-2025-32756) affecting Fortinet products.

## Vulnerability

- **CVSS**: 9.8 (Critical)
- **Type**: Stack-based buffer overflow in AuthHash cookie processing 
- **Impact**: Unauthenticated remote code execution
- **Affected Products**: FortiVoice, FortiMail, FortiNDR, FortiRecorder, FortiCamera

The vulnerability exists in the processing of the `enc` parameter in the `/remote/hostcheck_validate` endpoint, where improper bounds checking allows buffer overflow.

## Usage

```
python3 fortinet_cve_2025_32756_poc.py target_ip [-p port] [-d]
```

### Arguments:
- `target_ip`: Target Fortinet device
- `-p, --port`: Target port (default: 443)
- `-d, --debug`: Enable debug output

## Mitigation

Update to patched versions:
- FortiVoice: 7.2.1+, 7.0.7+, 6.4.11+
- FortiMail: 7.6.3+, 7.4.5+, 7.2.8+, 7.0.9+
- FortiNDR: 7.6.1+, 7.4.8+, 7.2.5+, 7.0.7+
- FortiRecorder: 7.2.4+, 7.0.6+, 6.4.6+
- FortiCamera: 2.1.4+

## Disclaimer

For educational and research purposes only. Use only against systems you own or have permission to test. 

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