CVE-2026-30277 describes an arbitrary file overwrite vulnerability in TA/UTAX Mobile Print PDF Reader App version 3.7.2.251001. The vulnerability arises from improper handling of file imports, enabling an attacker to overwrite critical internal files. Successful exploitation can result in arbitrary code execution or exposure of sensitive information. The vulnerability is categorized under CWE-22, indicating a path traversal or directory traversal weakness. The CVSS v3.1 base score is 8.4, reflecting high impact on confidentiality, integrity, and availability. No known exploits in the wild or vendor patches are documented in the provided information.

Exploitation of this vulnerability can lead to arbitrary code execution, allowing an attacker to run malicious code within the context of the vulnerable application. Additionally, it may cause exposure of sensitive information by overwriting critical internal files. The high CVSS score (8.4) indicates significant impact on confidentiality, integrity, and availability of the affected system.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is provided in the available data. Until a patch is available, restrict access to the vulnerable application and monitor for suspicious file import activities. Avoid importing files from untrusted sources.