# CVE-2025-2861: Cleartext Transmission of Sensitive Information vulnerability in saTECH BCU

> Attackers can intercept unencrypted HTTP traffic to steal credentials and gain unauthorized access to the saTECH BCU device.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 28 Mar 2025
- **Updated:** 3 Apr 2025
- **Also known as:** GHSA-39q9-q8cr-48r9

## What is CVE-2025-2861?

CVE-2025-2861 is a medium-severity vulnerability in Arteche saTECH BCU, published on 28 Mar 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

SaTECH BCU in its firmware version 2.1.3 uses the HTTP protocol. The use of the HTTP protocol for web browsing has the problem that information is exchanged in unencrypted text. Since sensitive data such as credentials are exchanged, an attacker could obtain them and log in legitimately.

Weakness: CWE-319 (Cleartext Transmission of Sensitive Information)

## Which versions are affected by CVE-2025-2861?

It affects 1 product.


Products: Arteche Satech Bcu Firmware.

## How do I fix CVE-2025-2861?

No fix has been published for CVE-2025-2861 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-2861 being exploited?

There is no known exploitation of CVE-2025-2861 in the wild and no public exploit code.

## Other vulnerabilities in Arteche saTECH BCU

- [CVE-2025-2858](https://insights.sbomify.com/CVE-2025-2858/): Privilege escalation vulnerability in saTECH BCU (high 8.5)
- [CVE-2025-2859](https://insights.sbomify.com/CVE-2025-2859/): Improper Authentication vulnerability in saTECH BCU (medium 6.9)
- [CVE-2025-2860](https://insights.sbomify.com/CVE-2025-2860/): Exposure of Sensitive Information vulnerability in saTECH BCU (medium 6.9)
- [CVE-2025-2862](https://insights.sbomify.com/CVE-2025-2862/): Weak Encoding for Password vulnerability in saTECH BCU (medium 6.9)
- [CVE-2025-2863](https://insights.sbomify.com/CVE-2025-2863/): Cross-site request forgery (CSRF) vulnerability in saTECH BCU (medium 5.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-2861 and fix it if it is affected.

What it is: CVE-2025-2861 is a medium-severity vulnerability in Arteche saTECH BCU, published on 28 Mar 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2025-2861 in the wild and no public exploit code.

Affected product: Arteche saTECH BCU. 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-2025-2861/ (Markdown: https://insights.sbomify.com/CVE-2025-2861/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-2861
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-2861
- OSV: https://osv.dev/vulnerability/CVE-2025-2861

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-2861/
Summaries are generated and may contain mistakes; the official description above is the record.