CVE-2026-14952: CWE-306 Missing Authentication for Critical Function in Frauscher Sensortechnik FDS 102
Description
CVE-2026-14952 is a high-severity vulnerability in Frauscher Sensortechnik's FDS 102 product. It allows unauthenticated remote attackers to access sensitive files on the FDS Web server without valid authentication. Specifically, attackers can retrieve backup archives and other files containing detailed railway signaling and track layout information over HTTP. This exposure of critical infrastructure data poses significant confidentiality risks.
CVSS v4.0
Score 8.7high
Affected software
Frauscher Sensortechnik
FDS 102
pkg:github/frauschersensortechnik/FDS102Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-306) in Frauscher Sensortechnik FDS 102 enables unauthenticated remote attackers to download sensitive files such as /FdsBackup.zip and files under /downloads/* directly via HTTP without requiring a valid session. The disclosed files contain detailed railway signaling and track layout information that should be protected from unauthorized access. The CVSS 4.0 base score is 8.7, reflecting high impact due to network attack vector, no required privileges, no user interaction, and high confidentiality impact.
Potential Impact
An attacker exploiting this vulnerability can obtain sensitive railway infrastructure data without authentication, potentially compromising the confidentiality of critical signaling and track layout information. This could lead to risks in operational security and safety of railway systems relying on this data.
Mitigation Recommendations
No official patch or remediation is currently documented. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict network access to the FDS Web server to trusted users and networks to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CERTVDE
- Date Reserved
- 2026-07-07T12:47:01.243Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a86bcd9acd9273b495abbbc
Added to database: 08/20/2026, 08:37:45 UTC
Last enriched: 09/11/2026, 02:32:02 UTC
Last updated: 10/04/2026, 16:10:31 UTC
Views: 82
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