# CVE-2026-27519: Binardat 10G08-0800GSM Network Switch Hard-coded RC4 Encryption Key

> Attackers can decrypt protected values and bypass confidentiality protections on Binardat network switches due to a hard-coded RC4 key in firmware.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Feb 2026
- **Updated:** 27 Feb 2026
- **Also known as:** GHSA-xjw5-9f76-gvpv

## What is CVE-2026-27519?

CVE-2026-27519 is a high-severity vulnerability in Binardat Ltd. 10G08-0800GSM Network Switch, published on 24 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Binardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior use RC4 with a hard-coded key embedded in client-side JavaScript. Because the key is static and exposed, an attacker can decrypt protected values and defeat confidentiality protections.

Weakness: CWE-327 (Use of a Broken or Risky Cryptographic Algorithm), CWE-321 (Use of Hard-coded Cryptographic Key)

## Which versions are affected by CVE-2026-27519?

It affects 1 product.


Products: Binardat 10g08-0800gsm Firmware.

## How do I fix CVE-2026-27519?

No fix has been published for CVE-2026-27519 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-27519 being exploited?

There is no known exploitation of CVE-2026-27519 in the wild and no public exploit code.

## Other vulnerabilities in Binardat Ltd. 10G08-0800GSM Network Switch

- [CVE-2026-27507](https://insights.sbomify.com/CVE-2026-27507/): Binardat 10G08-0800GSM Network Switch Hard-coded Credentials (critical 9.3)
- [CVE-2026-27515](https://insights.sbomify.com/CVE-2026-27515/): Binardat 10G08-0800GSM Network Switch Predictable Session Identifiers (critical 9.3)
- [CVE-2026-23678](https://insights.sbomify.com/CVE-2026-23678/): Binardat 10G08-0800GSM Network Switch Traceroute CLI Command Injection (high 8.7)
- [CVE-2026-27520](https://insights.sbomify.com/CVE-2026-27520/): Binardat 10G08-0800GSM Network Switch Base64-encoded Password Stored in Cookie (high 8.7)
- [CVE-2026-27516](https://insights.sbomify.com/CVE-2026-27516/): Binardat 10G08-0800GSM Network Switch Plaintext Password Exposure (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-27519 and fix it if it is affected.

What it is: CVE-2026-27519 is a high-severity vulnerability in Binardat Ltd. 10G08-0800GSM Network Switch, published on 24 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-27519 in the wild and no public exploit code.

Affected product: Binardat Ltd. 10G08-0800GSM Network Switch. 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-2026-27519/ (Markdown: https://insights.sbomify.com/CVE-2026-27519/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-27519
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-27519
- OSV: https://osv.dev/vulnerability/CVE-2026-27519

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-27519/
Summaries are generated and may contain mistakes; the official description above is the record.