POC CVE-2025-26318# TSplus Remote Access - CVE-2025-26318 (Insecure Permissions Information Disclosure)
## 📌 Description
TSplus is, by default, vulnerable to the disclosure of information from users currently connected to the domain on TSplus.
### 🔍 Vulnerability Details
- **CVE ID**: [CVE-2025-26318](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-26318)
- **Vendor**: [TSplus](https://tsplus.net)
- **Affected Versions**: TSplus Remote Access **< v17.30**
- **Vulnerability Type**: Insecure Permissions
- **Impact**: Information Disclosure
- **Attack Vector**: Remote (Unauthenticated HTTP request)
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## 🚨 Risks
This vulnerability allows attackers to retrieve a **list of all domain accounts** currently connected to the application.
This can have **serious consequences**, providing a wealth of exploitable information for **highly targeted phishing or vishing attacks**.
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## 🚀 Proof of Concept (PoC)
This repository contains a **script** that exploits the TSplus vulnerability.
It retrieves connected users at **regular intervals** and logs them uniquely into a file to maximize the number of valid users captured from the domain.
📂 **PoC File:** [`exploit.py`](./Tscrap.py)
### 📸 PoC Execution Screenshots:
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## 🔥 Impact
Attackers can exploit this flaw to:
- **Retrieve a list of all domain accounts** logged into the TSplus instance.
- Use this information for **further attacks** such as phishing or credential stuffing.
- Gain reconnaissance data for **targeted intrusions**.
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## ✅ Remediation
Following responsible disclosure, the TSplus development team addressed this vulnerability.📌 As of October 30, 2024, the vendor has implemented the following fix:
The /cgi-bin/hb.exe endpoint no longer lists usernames.
A new dedicated API endpoint was introduced: /api/loadbalancing/load on port 19955.
This new endpoint requires signed messages with a timestamp for authentication.
Vendor Confirmation (October 30, 2024):
>"We have removed the user listing from the endpoint /cgi-bin/hb.exe. A new dedicated endpoint /api/loadbalancing/load on port 19955 has been implemented, which requires signed messages with a timestamp. The fix is available in the beta version of Remote Access."
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## 🗓 Disclosure Timeline
- **[Septembre 2024]**: Vulnerability discovered.
- **[16 oct. 2024]**: Reported to editor.
- **[24 oct. 2024]**: Vendor confirmed the issue.
- **[30 octobre 2024]**: Patch released in beta.
- **[28/02/2025]**: Public disclosure.
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## 📜 References
- [CVE-2025-26318](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-26318)
- [TSplus Official Website](https://tsplus.net)
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### ⚠ Disclaimer
This PoC is intended for **educational and research purposes only**.
**Do not exploit systems without explicit permission.**
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