What is CVE-2016-10308?

CVE-2016-10308 is a critical-severity vulnerability in Siklu Etherhaul 500tx, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2017-03-30.

How severe is CVE-2016-10308?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Siklu Etherhaul 500tx

CVE-2016-10308

Siklu EtherHaul radios before 3.7.1 and 6.x before 6.9.0 have a built-in, hidden root account, with an unchangeable password that is the same across all devices. This account is accessible via both SSH and the device's web interface and grants access to the underlying embedded Linux OS on the device, allowing full control over it.

Published 2017-03-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.030 (86.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

blog.iancaling.com/post/145309944453 (Exploit, Third Party Advisory)
www.securityfocus.com/bid/97243 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-10308?: CVE-2016-10308 is a critical-severity vulnerability in Siklu Etherhaul 500tx, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2017-03-30.
How severe is CVE-2016-10308?: Critical severity. CVSS v3 base score is 9.8 out of 10.