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VulnerabilityPublished

CVE-2025-15587: tinycontrol Lan Kontroler v3.5 · Forced Browsing

Affects tinycontrol Lan Kontroler v3.5Source CVE Database V5

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Not known to be exploited · CVSS 8.6 High : upgrade to 1.67 soon.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 4.0 base score
8.6High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.67, 1.75, 1.38 +1
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
tinycontrolLan Kontroler v3.5Affected
  • <1.67
Fixed in
  • 1.67
tinycontrolLK3.9Affected
  • <1.75
Fixed in
  • 1.75
tinycontrolLK4Affected
  • <1.38
Fixed in
  • 1.38
tinycontroltcPDUAffected
  • <1.36
Fixed in
  • 1.36

AI-suggested

Organizations should immediately verify the firmware versions of all tinycontrol devices in their environment and upgrade to the patched versions: 1.36 for tcPDU, 1.67 for LK3.5, 1.75 for LK3.9, and 1.38 for LK4. Network segmentation should be enforced to isolate management interfaces of these devices from general user networks, limiting access to trusted administrators only. Implement strict access control lists (ACLs) and firewall rules to restrict access to device management ports. Monitor network traffic for unusual direct requests or forced browsing attempts targeting device endpoints. Employ multi-factor authentication (MFA) where supported to add an additional layer of security. Regularly audit device configurations and access logs to detect unauthorized access attempts. If firmware updates cannot be immediately applied, consider disabling web management interfaces or restricting them to secure management VLANs. Coordinate with tinycontrol support for any additional security advisories or mitigation guidance.

Description

Tinycontrol devices such as tcPDU and LAN Controllers LK3.5, LK3.9 and LK4 allow a low privileged user to read an administrator's password by directly accessing a specific resource inaccessible via a graphical interface. This issue has been fixed in firmware versions: 1.36 (for tcPDU), 1.67 (for LK3.5 - hardware versions: 3.5, 3.6, 3.7 and 3.8), 1.75 (for LK3.9 - hardware version 3.9) and 1.38 (for LK4 - hardware version 4.0).

References

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