Description
An attacker can use an undocumented UART port on the PCB as a side-channel to get root access e.g. with the credentials obtained from CVE-2025-41692.
Details
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| fl-nat-2008-firmware | — | 3.50 |
| fl-nat-2208-firmware | — | 3.50 |
| fl-nat-2304-2gc-2sfp-firmware | — | 3.50 |
| fl-switch-2005-firmware | — | 3.50 |
| fl-switch-2008-firmware | — | 3.50 |
| fl-switch-2008f-firmware | — | 3.50 |
| fl-switch-2016-firmware | — | 3.50 |
| fl-switch-2105-firmware | — | 3.50 |
| fl-switch-2108-firmware | — | 3.50 |
| fl-switch-2116-firmware | — | 3.50 |
| fl-switch-2204-2tc-2sfx-firmware | — | 3.50 |
| fl-switch-2205-firmware | — | 3.50 |
| fl-switch-2206-2fx-firmware | — | 3.50 |
| fl-switch-2206-2fx-sm-firmware | — | 3.50 |
| fl-switch-2206-2fx-sm-st-firmware | — | 3.50 |
| fl-switch-2206-2fx-st-firmware | — | 3.50 |
| fl-switch-2206-2sfx-firmware | — | 3.50 |
| fl-switch-2206-2sfx-pn-firmware | — | 3.50 |
| fl-switch-2206c-2fx-firmware | — | 3.50 |
| fl-switch-2207-fx-firmware | — | 3.50 |
| fl-switch-2207-fx-sm-firmware | — | 3.50 |
| fl-switch-2208-firmware | — | 3.50 |
| fl-switch-2208-pn-firmware | — | 3.50 |
| fl-switch-2208c-firmware | — | 3.50 |
| fl-switch-2212-2tc-2sfx-firmware | — | 3.50 |
| fl-switch-2214-2fx-firmware | — | 3.50 |
| fl-switch-2214-2fx-sm-firmware | — | 3.50 |
| fl-switch-2214-2sfx-firmware | — | 3.50 |
| fl-switch-2214-2sfx-pn-firmware | — | 3.50 |
| fl-switch-2216-firmware | — | 3.50 |
| fl-switch-2216-pn-firmware | — | 3.50 |
| fl-switch-2303-8sp1 | — | 3.50 |
| fl-switch-2304-2gc-2sfp-firmware | — | 3.50 |
| fl-switch-2306-2sfp-firmware | — | 3.50 |
| fl-switch-2306-2sfp-pn-firmware | — | 3.50 |
| fl-switch-2308-firmware | — | 3.50 |
| fl-switch-2308-pn-firmware | — | 3.50 |
| fl-switch-2312-2gc-2sfp-firmware | — | 3.50 |
| fl-switch-2314-2sfp-firmware | — | 3.50 |
| fl-switch-2314-2sfp-pn-firmware | — | 3.50 |
| fl-switch-2316-firmware | — | 3.50 |
| fl-switch-2316-pn-firmware | — | 3.50 |
| fl-switch-2316\/k1-firmware | — | 3.50 |
| fl-switch-2404-2tc-2sfx-firmware | — | 3.50 |
| fl-switch-2406-2sfx-firmware | — | 3.50 |
| fl-switch-2406-2sfx-pn-firmware | — | 3.50 |
| fl-switch-2408-firmware | — | 3.50 |
| fl-switch-2408-pn-firmware | — | 3.50 |
| fl-switch-2412-2tc-2sfx-firmware | — | 3.50 |
| fl-switch-2414-2sfx-firmware | — | 3.50 |
| fl-switch-2414-2sfx-pn-firmware | — | 3.50 |
| fl-switch-2416-firmware | — | 3.50 |
| fl-switch-2416-pn-firmware | — | 3.50 |
| fl-switch-2504-2gc-2sfp-firmware | — | 3.50 |
| fl-switch-2506-2sfp-firmware | — | 3.50 |
| fl-switch-2506-2sfp-pn-firmware | — | 3.50 |
| fl-switch-2506-2sfp\/k1-firmware | — | 3.50 |
| fl-switch-2508-firmware | — | 3.50 |
| fl-switch-2508-pn-firmware | — | 3.50 |
| fl-switch-2508\/k1-firmware | — | 3.50 |
| fl-switch-2512-2gc-2sfp-firmware | — | 3.50 |
| fl-switch-2514-2sfp-firmware | — | 3.50 |
| fl-switch-2514-2sfp-pn-firmware | — | 3.50 |
| fl-switch-2516-firmware | — | 3.50 |
| fl-switch-2516-pn-firmware | — | 3.50 |
| fl-switch-2608-firmware | — | 3.50 |
| fl-switch-2608-pn-firmware | — | 3.50 |
| fl-switch-2708-firmware | — | 3.50 |
| fl-switch-2708-pn-firmware | — | 3.50 |
References
Similar Threats
- Medium CVE-2025-41692
- Medium CVE-2025-41693
- Medium CVE-2025-41694
- Medium CVE-2025-41696
- High CVE-2025-41695
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