What is the CVSS score of CVE-2017-3216?

CVE-2017-3216 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.2%.

Is there a public PoC exploit available for CVE-2017-3216?

Yes, a public proof-of-concept exploit is available for CVE-2017-3216. Prioritise patching immediately. EPSS: 3.2%.

Ox350 Firmware CVE-2017-3216

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2017-06-20 cret@cert.org

Mediatek Authentication Bypass Ox350 Firmware Bm2022 Firmware Hes 309M Firmware Hes 319M Firmware Hes 319M2W Firmware Hes 339M Firmware Soho Wireless Router Firmware Ox 330P Firmware Max218M Firmware Max218M1W Firmware Max218Mw Firmware Max308M Fimware Max318M Firmware Max338M Firmware

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 20, 2017 - 00:29 cve.org

CRITICAL 9.8

DescriptionCVE.org

WiMAX routers based on the MediaTek SDK (libmtk) that use a custom httpd plugin are vulnerable to an authentication bypass allowing a remote, unauthenticated attacker to gain administrator access to the device by performing an administrator password change on the device via a crafted POST request.

AnalysisAI

WiMAX routers based on the MediaTek SDK (libmtk) that use a custom httpd plugin are vulnerable to an authentication bypass allowing a remote, unauthenticated attacker to gain administrator access to. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. WiMAX routers based on the MediaTek SDK (libmtk) that use a custom httpd plugin are vulnerable to an authentication bypass allowing a remote, unauthenticated attacker to gain administrator access to the device by performing an administrator password change on the device via a crafted POST request. Affected products include: Greenpacket Ox350 Firmware, Huawei Bm2022 Firmware, Huawei Hes-309M Firmware, Huawei Hes-319M Firmware, Huawei Hes-319M2W Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.