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CVE-2018-6311

23
FAUCET Score

CVE-2018-6311 describes a critical vulnerability in the Foxconn femtocell FEMTO AP-FC4064-T (firmware version AP_GT_B38_5.8.3lb15-W47 LTE Build 15) that allows an attacker to gain root access without restrictions via UART pins. This physical access vulnerability leads to full system compromise and the potential disclosure of user communications. With a CVSS score of 6.8 (Medium), the attack requires physical proximity (AV:P) but is low complexity (AC:L) and does not require user interaction or privileges. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
ap_gt_b38_5.8.3lb15-w47_lteCPE matchmatch criteria
cpe:2.3:o:foxconn:ap-fc4064-t_firmware:ap_gt_b38_5.8.3lb15-w47_lte:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 56th percentile among its peer group of 1,530 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gist.github.com / DrmnSamoLiu/cd1d6fa59501f161616686296aa4a6c8
Third Party Advisory