On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by…
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, PIN authentication can be bypassed by creating a special file within the /data/local/tmp/ directory. The System application that implements the lock screen checks for the existence of a specific file and disables PIN authentication if it exists. This file would typically be created via Android Debug Bridge (adb) over USB.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:alcatelmobile:cingular_flip_2_firmware:b9huah1:*:*:*:*:*:*:* | b9huah1 | Vulnerable | Alcatelmobile |
| cpe:2.3:h:alcatelmobile:cingularl_flip_2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Alcatelmobile |
- cpe:2.3:o:alcatelmobile:cingular_flip_2_firmware:b9huah1:*:*:*:*:*:*:* Versions b9huah1 Vulnerable ·Alcatelmobile
- cpe:2.3:h:alcatelmobile:cingularl_flip_2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Alcatelmobile
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-16241
- 2026-10-03 Alias added: GHSA-qg5g-43r3-8gpr
References
More Alcatelmobile Cingular Flip 2 Firmware vulnerabilities
- TI-2019-12224 On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, there is an engineering application named… CVSS 3.1MEDIUM 6.8
- TI-2019-12225 On TCL Alcatel Cingular Flip 2 B9HUAH1 devices, there is an undocumented web API that… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2019-16241 · CVE Program
- CVE-2019-16241 · NVD
- FIRST EPSS
- GHSA-qg5g-43r3-8gpr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences