Authentication bypass via IP-bound session reuse
Published Dec 10, 2025 · Updated Dec 10, 2025
Session fixation in DB Elettronica SFT DAB firmware 1.9.3 allows remote attackers to manage transmitters without authentication. The device management API treats a client IP address shared through NAT as authorization for an existing session, so unauthenticated requests inherit that session. Reachability requires network adjacency, a NAT address shared with an authenticated user, and an established session; the published exploit resets the transmitter's board configuration.
Summary
What happened
Session fixation in DB Elettronica SFT DAB firmware 1.9.3 allows remote attackers to manage transmitters without authentication. The device management API treats a client IP address shared through NAT as authorization for an existing session, so unauthenticated requests inherit that session. Reachability requires network adjacency, a NAT address shared with an authenticated user, and an established session; the published exploit resets the transmitter's board configuration.
The record
- CVE
- CVE-2023-53776
- Published
- Dec 10, 2025
- Updated
- Dec 10, 2025
- Vendor
- DB Elettronica Telecomunicazioni SpA
- Product
- SFT DAB Series - Compact Radio DAB Transmitter
- Classifications
- CWE-384, T1210
- Attack vector
- adjacent
- Privileges
- unauthenticated
Timeline
How it unfolded
- Dec 10, 2025CVE publishedPublication date reported by the CVE source.
- Dec 10, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.9.3
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- Screen SFT DAB 600/C Authentication Bypass Reset Board Configfunctional · demonstrated
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Technologies
Your stack
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Your stack
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