CVE-2017-3216

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

5.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2017-06-20 00:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 01:17 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 5.2% in the next 30 days (EPSS).
• Severity: 9.8 CRITICAL (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2017-06-20 00:29 UTC

Last modified

2026-06-17 01:17 UTC

Exploit probability

5.2% · EPSS, next 30 days

Weakness

CWE-306 · Missing authentication

Record status

Modified

Affected

• Greenpacket ox350 Firmware
• Huawei bm2022 Firmware
• Huawei hes-309m Firmware
• Huawei hes-319m Firmware
• Huawei hes-319m2w Firmware
• Huawei hes-339m Firmware
• Mada Soho Wireless Router Firmware
• Zte ox-330p Firmware

Attack profile CVSS 3.0 · 9.8

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

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