CVE-2017-3216

9.8 CRITICAL
Published: June 20, 2017 Modified: May 13, 2026
View on NVD

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://blog.sec-consult.com/2017/06/ghosts-from-past-authentication-bypass.html
Source: cret@cert.org
Third Party Advisory
http://www.kb.cert.org/vuls/id/350135
Source: cret@cert.org
Mitigation Third Party Advisory US Government Resource
https://sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170607-0_Various_WiMAX_CPEs_Authentication_Bypass_v10.txt
Source: cret@cert.org
Exploit Third Party Advisory
http://blog.sec-consult.com/2017/06/ghosts-from-past-authentication-bypass.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.kb.cert.org/vuls/id/350135
Source: af854a3a-2127-422b-91ae-364da2661108
Mitigation Third Party Advisory US Government Resource
https://sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170607-0_Various_WiMAX_CPEs_Authentication_Bypass_v10.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
5.2%
91th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-306 CWE-306

Affected Vendors

mada greenpacket zyxel huawei zte

Related CVEs

CVE-2026-48777 N/A
CVE-2026-47750 7.8
CVE-2026-47747 7.8
CVE-2026-46448 5.4
CVE-2026-22313 9.1