CVE-2026-5571: Technostrobe HI-LED-WR120-G2 unauthenticated information disclosure in /fs

CVE-2026-5571 · Severity: medium · CVSS 5.3 · Published 2026-04-05

Technostrobe HI-LED-WR120-G2 is a controller used for managing high-intensity LED lighting systems on towers and tall structures. A security flaw allows unauthorized individuals to remotely access sensitive configuration files from the device without a password. This could lead to the exposure of administrative credentials and internal system settings, potentially allowing an attacker to take full control of the lighting infrastructure.

Technologies: Technostrobe Hi-Led-Wr120-G2, Technostrobe Hi-Led-Wr120-G2 Firmware. Vendors: Technostrobe.

Quick answers

Is CVE-2026-5571 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-5571 being exploited in the wild.
How severe is CVE-2026-5571?
Medium severity, with a CVSS score of 5.3, published 5 April 2026.
Which products and versions are affected?
Technostrobe Hi-Led-Wr120-G2 5.5.0.1R6.03.30.
Is there a fix for CVE-2026-5571?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-5571 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-5571?
Check whether you run Technostrobe Hi-Led-Wr120-G2 or Technostrobe Hi-Led-Wr120-G2 Firmware at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An information disclosure vulnerability exists in the Technostrobe HI-LED-WR120-G2 firmware version 5.5.0.1R6.03.30. The vulnerability is located in the Configuration Data Handler component, specifically within the '/fs' file system endpoint. By manipulating the 'File' argument in a remote request, an unauthenticated attacker can retrieve sensitive files such as '/login.cfg' (containing obfuscated credentials) and MQTT broker configurations. The root cause is improper access control (CWE-284) on the file system interface. While the vendor was notified, no patch has been confirmed, and a public exploit/PoC is available.

Affected products

  • Technostrobe HI-LED-WR120-G2 5.5.0.1R6.03.30

Timeline

  • 2026-04-05: advisory: Initial disclosure by VulDB
  • 2026-04-05: disclosed: Public exploit made available via GitHub research repository

References

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