CVE-2017-3216

high-risk
Published 2017-06-20

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.

Do I need to act?

~
3.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (14)

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

Affected Vendors

Huawei Greenpacket Zte Zyxel Mada

References (6)

Third Party Advisory http://blog.sec-consult.com/2017/06/ghosts-from-past-authentication-bypass.html
Mitigation http://www.kb.cert.org/vuls/id/350135
Exploit https://sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170607-0_Va...
Third Party Advisory http://blog.sec-consult.com/2017/06/ghosts-from-past-authentication-bypass.html
Mitigation http://www.kb.cert.org/vuls/id/350135
Exploit https://sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170607-0_Va...
56
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 18/34 · Moderate