CVE-2018-6312

Name: CVE-2018-6312
Creator: NVD / NIST
Published: 2018-03-10T22:29:00.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.32%

Last modified Jun 17, 2026

CVE-2018-6312 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A privileged account with a weak default password on the Foxconn femtocell FEMTO AP-FC4064-T version AP_GT_B38_5.8.3lb15-W47 LTE Build 15 can be used to turn on the TELNET service via the web interface, which allows root login without any password. This vulnerability will lead to full system compromise and disclosure of user communications. EPSS estimates a 1.32% chance of exploitation in the next 30 days.

Description

A privileged account with a weak default password on the Foxconn femtocell FEMTO AP-FC4064-T version AP_GT_B38_5.8.3lb15-W47 LTE Build 15 can be used to turn on the TELNET service via the web interface, which allows root login without any password. This vulnerability will lead to full system compromise and disclosure of user communications. The foxconn account with an 8-character lowercase alphabetic password can be used.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.32%

67.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-521

Affected Software

Vendor	Product	Versions
Foxconn	Ap-Fc4064-T Firmware	ap_gt_b38_5.8.3lb15-w47_lte

References

https://gist.github.com/DrmnSamoLiu/cd1d6fa59501f161616686296aa4a6c8Third Party Advisory
https://gist.github.com/DrmnSamoLiu/cd1d6fa59501f161616686296aa4a6c8Third Party Advisory

Timeline

Published: Mar 10, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-6312?

How severe is CVE-2018-6312?

CVE-2018-6312 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.32% probability of exploitation in the next 30 days.

How do I fix CVE-2018-6312?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-6312?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST