Municorn FAX App 3.27.0 on Android biz.faxapp.app path traversal
Summary
A vulnerability marked as problematic has been reported in Municorn FAX App 3.27.0 on Android. This issue affects some unknown processing of the component biz.faxapp.app. Performing a manipulation results in path traversal. This vulnerability is reported as CVE-2025-14699. The attack requires a local approach. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability was found in Municorn FAX App 3.27.0 on Android. It has been classified as problematic. This affects an unknown code of the component biz.faxapp.app. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-14699. The exploitability is told to be easy. An attack has to be approached locally. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.
The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-203323). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.0
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Path traversalCWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
12/14/2025 Advisory disclosed12/14/2025 VulDB entry created
12/15/2025 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2025-14699 (🔒)
GCVE (CVE): GCVE-0-2025-14699
GCVE (VulDB): GCVE-100-336417
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20130704
Entry
Created: 12/14/2025 15:35Updated: 12/15/2025 05:23
Changes: 12/14/2025 15:35 (57), 12/15/2025 04:30 (30), 12/15/2025 05:23 (1)
Complete: 🔍
Submitter: Lu1u
Cache ID: 216::103
Submit
Accepted
- Submit #706215: MUNICORN LIMITED(https://comfax.com/) FAX App: Send Faxes from Phone APP (biz.faxapp.app) Version：V3.27.0 Path Traversal (by Lu1u)
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.