How severe is CVE-2018-6311?

CVE-2018-6311 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-6311 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6311?

CVE-2018-6311 affects Foxconn Ap-fc4064-t Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6311?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-6311 published?

CVE-2018-6311 was published on 2018-03-10 and last updated on 2026-06-17.

CVE-2018-6311

CVE-2018-6311 is a medium-severity vulnerability in Foxconn Ap-fc4064-t Firmware with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Foxconn Ap-fc4064-t Firmware
Published: 2018-03-10
Last modified: 2026-06-17

Description

One can gain root access on the Foxconn femtocell FEMTO AP-FC4064-T version AP_GT_B38_5.8.3lb15-W47 LTE Build 15 via UART pins without any restrictions, which leads to full system compromise and disclosure of user communications.

Frequently asked questions

What is CVE-2018-6311?: One can gain root access on the Foxconn femtocell FEMTO AP-FC4064-T version AP_GT_B38_5.8.3lb15-W47 LTE Build 15 via UART pins without any restrictions, which leads to full system compromise and disclosure of user communications.
How severe is CVE-2018-6311?: CVE-2018-6311 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-6311 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6311?: CVE-2018-6311 affects Foxconn Ap-fc4064-t Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6311?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-6311 published?: CVE-2018-6311 was published on 2018-03-10 and last updated on 2026-06-17.

References

https://gist.github.com/DrmnSamoLiu/cd1d6fa59501f161616686296aa4a6c8

Affected products (1)

cpe:2.3:o:foxconn:ap-fc4064-t_firmware:ap_gt_b38_5.8.3lb15-w47_lte:*:*:*:*:*:*:*

More vulnerabilities in Foxconn Ap-fc4064-t Firmware

CVE-2018-9112 — Critical (CVSS 9.8): A low privileged admin account with a weak default password of admin exists on the Foxconn FEMTO AP-FC4064-T…
CVE-2018-6312 — High (CVSS 7.2): A privileged account with a weak default password on the Foxconn femtocell FEMTO AP-FC4064-T version…
CVE-2018-9111 — Medium (CVSS 5.4): Cross Site Scripting (XSS) exists on the Foxconn FEMTO AP-FC4064-T AP_GT_B38_5.8.3lb15-W47 LTE Build 15 via the…

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