No exploitation reported

CVE-2018-6312

No exploitation reported by the sources we read.

Published2018-03-10
WeaknessCWE-521

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2018-03-1022:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-6312?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-6312?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Foxconn ap-fc4064-t firmwareversion to verify

Branch	Affected	Fixed in	Source
—	= ap_gt_b38_5.8.3lb15-w47_lte	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.2read 2026-10-23
NVDCVSS 2.09read 2026-10-23
NVDweakness (CWE)CWE-521read 2026-10-23
FIRST EPSSEPSS score1.3 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published: 2018-03-10
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-6312?

Is CVE-2018-6312 actively exploited?

Active exploitation of CVE-2018-6312 has not been confirmed. Its EPSS score was 1.3% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-6312?

CVE-2018-6312 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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