CVE-2023-53739 json
Tinycontrol LAN Controller v3 LK3 1.58a Unauthenticated Configuration Backup Disclosure
published 2025-12-09 10 mo ago modified 2026-07-28 3 mo ago also EUVD-2023-60177
- cvss
- 9.9
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
Tinycontrol LAN Controller v3 LK3 version 1.58a contains an unauthenticated vulnerability that allows remote attackers to download configuration backup files containing sensitive credentials. Attackers can retrieve the lk3_settings.bin file and extract base64-encoded user and admin passwords without authentication.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 10 mo ago
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/51731 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N |
| CNA | 4.0 | 9.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/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 |
Affected products
- Tinycontrol Tinycontrol LAN Controller v
- Tinycontrol LK
Classification
- Weakness
-
- CWE-260 Password in Configuration File
References
-
exploit-db.com
/exploits/51731
exploit
-
zeroscience.mk
/en/vulnerabilities/ZSL-2023-5786.php
vendor-advisory
-
tinycontrol.pl
product
-
vulncheck.com
/advisories/tinycontrol-lan-controller-v3-lk3-unauthenticated-configuration-backup-disclosure
third-party-advisory
Sources
- CVE List CVE-2023-53739
- NVD CVE-2023-53739
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