CVE-2025-5876
Lucky LM-520-SC/LM-520-FSC/LM-520-FSC-SAM missing authentication
A vulnerability classified as problematic was found in Lucky LM-520-SC, LM-520-FSC and LM-520-FSC-SAM up to 20250321. Affected by this vulnerability is an unknown functionality. The manipulation leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Lucky LM-520-SC/LM-520-FSC/LM-520-FSC-SAM missing authentication
A vulnerability classified as problematic was found in Lucky LM-520-SC, LM-520-FSC and LM-520-FSC-SAM up to 20250321. Affected by this vulnerability is an unknown functionality. The manipulation leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
CVE-2025-5876- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R - CVSS 2.0
- 5.0
AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:W/RC:UR - Weakness
- CWE-306, CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2025-17459
A vulnerability classified as problematic was found in Lucky LM-520-SC, LM-520-FSC and LM-520-FSC-SAM up to 20250321. Affected by this vulnerability is an unknown functionality. The manipulation leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
EUVD-2025-17459- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-45jv-wv9v-qqfr
A vulnerability classified as problematic was found in Lucky LM-520-SC, LM-520-FSC and LM-520-FSC...
A vulnerability classified as problematic was found in Lucky LM-520-SC, LM-520-FSC and LM-520-FSC-SAM up to 20250321. Affected by this vulnerability is an unknown functionality. The manipulation leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
GHSA-45jv-wv9v-qqfr- CVSS 4.0
- 5.5 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
A vulnerability classified as problematic was found in Lucky LM-520-SC, LM-520-FSC and LM-520-FSC-SAM up to 20250321. Affected by this vulnerability is an unknown functionality. The manipulation leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
CVE-2025-5876- CVSS 4.0
- 5.5 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-287, CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-5876 is a medium vulnerability (CVSS 6.9) in Lucky Lm-520-fsc, published June 9, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. No source names a fixed version.