# CVE-2026-5570: Technostrobe HI-LED-WR120-G2 LoginCB index_config improper authentication

> Remote attackers can bypass authentication in the Technostrobe HI-LED-WR120-G2 login interface to access restricted configuration functions.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Apr 2026
- **Updated:** 7 Apr 2026
- **Also known as:** GHSA-xr7q-4cmw-j44v

## What is CVE-2026-5570?

CVE-2026-5570 is a medium-severity authentication bypass vulnerability in Technostrobe HI-LED-WR120-G2, published on 5 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was determined in Technostrobe HI-LED-WR120-G2 5.5.0.1R6.03.30. The affected element is the function index_config of the file /LoginCB. This manipulation causes improper authentication. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-5570?

It affects 1 product.


Products: Technostrobe Hi-Led-Wr120-G2 Firmware.

## How do I fix CVE-2026-5570?

No fix has been published for CVE-2026-5570 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-5570 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5570 exists.

## Other vulnerabilities in Technostrobe HI-LED-WR120-G2

- [CVE-2026-5569](https://insights.sbomify.com/CVE-2026-5569/): Technostrobe HI-LED-WR120-G2 Endpoint access control (medium 6.9)
- [CVE-2026-5571](https://insights.sbomify.com/CVE-2026-5571/): Technostrobe HI-LED-WR120-G2 Configuration Data fs information disclosure (medium 6.9)
- [CVE-2026-5573](https://insights.sbomify.com/CVE-2026-5573/): Technostrobe HI-LED-WR120-G2 fs unrestricted upload (medium 6.9)
- [CVE-2026-5574](https://insights.sbomify.com/CVE-2026-5574/): Technostrobe HI-LED-WR120-G2 FsBrowseClean deletefile authorization (medium 6.9)
- [CVE-2026-5572](https://insights.sbomify.com/CVE-2026-5572/): Technostrobe HI-LED-WR120-G2 cross-site request forgery (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-5570 and fix it if it is affected.

What it is: CVE-2026-5570 is a medium-severity authentication bypass vulnerability in Technostrobe HI-LED-WR120-G2, published on 5 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5570 exists.

Affected product: Technostrobe HI-LED-WR120-G2. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-5570/ (Markdown: https://insights.sbomify.com/CVE-2026-5570/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-5570
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-5570
- OSV: https://osv.dev/vulnerability/CVE-2026-5570

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-5570/
Summaries are generated and may contain mistakes; the official description above is the record.