Vulnerability · Published Dec 15, 2025 · Assigned by VulDB

CVE-2025-14699Municorn FAX App biz.faxapp.app path traversal

Medium 5.3

In plain English

A medium-severity path traversal in FAX App from Municorn. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.2%top 90.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in Municorn FAX App 3.27.0 on Android. This vulnerability affects unknown code of the component biz.faxapp.app. Such manipulation leads to path traversal. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Municorn	FAX App	3.27.0

Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-336417 | Municorn FAX App biz.faxapp.app path traversal vdb-entry
VDB-336417 | CTI Indicators (IOB, IOC, TTP) signature, permissions-required
Submit #706215 | MUNICORN LIMITED(https://comfax.com/) FAX App: Send Faxes from Phone APP (biz.faxapp.app) Version：V3.27.0 Path Traversal third-party-advisory
https://github.com/Secsys-FDU/AF_CVEs/issues/3 exploit, issue-tracking