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 ca
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.
- Published
- Mar 10, 2018
- Updated
- Jun 16, 2026
- EPSS
- 1.3% · 70th percentile
- CWE
- CWE-521
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Report tools
Action score
28
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.2 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.3%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| foxconn | ap-fc4064-t firmware | cpe:2.3:o:foxconn:ap-fc4064-t_firmware |
| foxconn | ap-fc4064-t | cpe:2.3:h:foxconn:ap-fc4064-t |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- foxconn ap-fc4064-t firmwareap_gt_b38_5.8.3lb15-w47_lte
Same product
foxconn: all recordsOther highest-scoring records for the same primary product.
- CVE-2018-9112A low privileged admin account with a weak default password of admin exists on the Foxconn FEMTO AP-FC4064-T AP_GT_B38_5.8.3lb15-W47 LTE Bui39Monitor
- CVE-2018-6311One 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 r27Monitor
- CVE-2018-9111Cross Site Scripting (XSS) exists on the Foxconn FEMTO AP-FC4064-T AP_GT_B38_5.8.3lb15-W47 LTE Build 15 via the configuration of a user acco21Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- Administrator privileges are required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-521 · Weak Password RequirementsCVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Brute ForceCAPEC-112High
- Dictionary-based Password AttackCAPEC-16likelihood: Medium · High
- Password Brute ForcingCAPEC-49likelihood: Medium · High
- KerberoastingCAPEC-509High
- Rainbow Table Password CrackingCAPEC-55likelihood: Medium · Medium
- Remote Services with Stolen CredentialsCAPEC-555Very High
- Windows Admin Shares with Stolen CredentialsCAPEC-561
- Password SprayingCAPEC-565likelihood: High · High
ATT&CK techniques
- Remote ServicesT1021
- Remote Services:SMB/Windows Admin SharesT1021.002
- Valid Accounts:Default AccountsT1078.001
- Brute ForceT1110
- Brute Force:Password GuessingT1110.001
- Brute Force:Password CrackingT1110.002
- Brute Force:Password SprayingT1110.003
- Email Collection:Remote Email CollectionT1114.002
- External Remote ServicesT1133
- Steal or Forge Kerberos Tickets:KerberoastingT1558.003
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.