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VulnerabilityPublished

CVE-2025-41714: Welotec SmartEMS Web Application · Path Traversal

Affects Welotec SmartEMS Web ApplicationSource CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 12:55 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.7% chance of exploitation in 30 days – higher than 53% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Welotec SmartEMS Web ApplicationAffected
  • =0.0.0
Fixed in–

AI-suggested

  1. Immediate implementation of strict input validation and sanitization on the 'Upload-Key' header to prevent path traversal sequences.
  2. Employ allowlisting of acceptable characters and patterns in the 'Upload-Key' header to restrict directory traversal attempts.
  3. Enforce the use of secure, canonicalized paths when handling file uploads to ensure files are stored only within designated directories.
  4. Implement robust authentication and session management to reduce the risk of credential compromise.
  5. Conduct thorough code reviews and penetration testing focused on file upload functionality.
  6. Monitor logs for unusual file creation patterns or access outside expected directories.
  7. Segregate the upload storage area with strict filesystem permissions to limit the impact of any unauthorized writes.
  8. Apply network segmentation and least privilege principles to restrict access to the SmartEMS application.
  9. Prepare incident response plans specific to potential RCE scenarios in SmartEMS environments.
  10. Coordinate with Welotec for timely patches and updates once available, and prioritize their deployment.
  11. Consider deploying Web Application Firewalls (WAFs) with custom rules to detect and block path traversal attempts targeting the upload endpoint.

Description

The upload endpoint insufficiently validates the 'Upload-Key' request header. By supplying path traversal sequences, an authenticated attacker can cause the server to create upload-related artifacts outside the intended storage location. In certain configurations this enables arbitrary file write and may be leveraged to achieve remote code execution.

References

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