Security readout for executives and security teams
Plain-English summary
A flaw in the TA/UTAX Mobile Print PDF Reader mobile app lets an attacker abuse the file-import feature to overwrite important internal app files. Once overwritten, the app can be tricked into running attacker-controlled code or leaking data on the affected phone or tablet. Any employee using this printing app on a mobile device could be impacted.
Executive priority
Treat as a high-priority mobile hygiene item: schedule inventory this sprint, and remediate once Triumph-Adler or UTAX publishes a fixed build. It is not an emergency incident today, but the local high-impact profile warrants prompt patching and user guidance.
Technical view
CVE-2026-30277 is a CWE-22 path traversal issue in TA/UTAX Mobile Print v3.7.2.251001. The import routine fails to sanitize destination paths, letting a crafted file overwrite critical files inside the app sandbox. CVSS 3.1 rates it 8.4 (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), reflecting a local vector with high impact to confidentiality, integrity, and availability.
Likely exposure
Exposure is limited to mobile devices with TA/UTAX Mobile Print v3.7.2.251001 installed, typically used by staff who print from phones or tablets to Triumph-Adler or UTAX multifunction devices. Fleet exposure depends on BYOD and MDM inventories.
Exploitation context
No KEV listing and no public exploitation reports were included in the source bundle. The vector is local (AV:L), so an attacker needs a way to place or deliver a crafted file to the app's import flow. Research disclosure originates from Fudan University's Secsys group tracker.
Researcher notes
Advisory ties to Fudan Secsys AF_CVEs issue #24, suggesting an automated fuzzing find against Android file-import logic. CWE-22 with S:U indicates traversal contained within the app sandbox, yet high CIA impact implies overwrite of files that steer execution (e.g., cached DEX, config, or plugin resources). No CPE, no fixed version, and no vendor advisory URL are present in the bundle.
Mitigation direction
- Inventory mobile devices for TA/UTAX Mobile Print v3.7.2.251001 via MDM and flag installs.
- Check Triumph-Adler and UTAX vendor pages for a patched release and deploy when available.
- Restrict use of the app to trusted document sources until a fixed version ships.
- Consider temporary removal from managed devices in high-sensitivity roles.
- Educate users to avoid importing PDFs from untrusted messengers, email, or file shares.
Validation and detection
- Confirm installed app version through MDM reporting or device inspection.
- Monitor the vendor advisory page and Fudan Secsys AF_CVEs issue #24 for fix confirmation.
- Track CVE record updates for a listed patched version or workaround.
- After update, verify app version reflects the vendor-supplied fixed build across the fleet.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-30277 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.55.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
8.4HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://secsys.fudan.edu.cn/CVE reference, mitre
- https://www.triumph-adler.com/ta-de-de/software/mobile-und-cloud/mobile-printCVE reference, mitre
- https://github.com/Secsys-FDU/AF_CVEs/issues/24CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.