CVE-2017-3216 json
WiMAX routers based on the MediaTek SDK (libmtk) that use a custom httpd plugin are vulnerable to an authentication bypass allowing a remot…
published 2017-06-20 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-12337
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.2%
- EPSS 5.2% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
5.17% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- sec-consult.com https://sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170607-0_Various_WiMAX_CPEs_Authentication_Bypass_v10.txt referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Huawei Technologies BM2022
- Huawei Technologies HES-309M
- Huawei Technologies HES-319M
- Huawei Technologies HES-319M2W
- Huawei Technologies HES-339M
- Green Packet OX350
- ZTE OX-330P
- ZyXEL MAX218M
- ZyXEL MAX218M1W
- ZyXEL MAX218MW
- ZyXEL MAX308M
- ZyXEL MAX318M
- ZyXEL MAX338M
- MADA Soho Wireless Router
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
sec-consult.com
/fxdata/seccons/prod/temedia/advisories_txt/20170607-0_Various_WiMAX_CPEs_Authentication_Bypass_v10.txt
exploit, third-party-advisory
-
blog.sec-consult.com
/2017/06/ghosts-from-past-authentication-bypass.html
third-party-advisory
-
kb.cert.org
/vuls/id/350135
third-party-advisory, mitigation, us-government-resource
Sources
- CVE List CVE-2017-3216
- NVD CVE-2017-3216
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.