# CVE-2026-16740: Missing Authentication for Critical Function in TR7 Cyber ​​Defense's TR7 ASP

> Unauthenticated attackers can execute arbitrary OS commands on TR7 ASP appliances due to missing authentication on critical functions.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Oct 2026
- **Updated:** 14 Oct 2026
- **Also known as:** GHSA-4q93-p2jm-73j6

## What is CVE-2026-16740?

CVE-2026-16740 is a critical missing authorization vulnerability in TR7 ASP, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Missing authentication for critical function vulnerability in TR7 Cyber ​​Defense Inc. TR7 ASP on virtual appliance and TR7 Cyber ​​Defense Inc. TR7 ASP on physical appliance allows OS Command Injection.

This issue affects TR7 ASP: from 1.0.40.236 before 1.0.1554.2331; TR7 ASP: from 1.6.42.239 before 1.6.1554.2331.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2026-16740?


## How do I fix CVE-2026-16740?

No fix has been published for CVE-2026-16740 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-16740 being exploited?

There is no known exploitation of CVE-2026-16740 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-16740 and fix it if it is affected.

What it is: CVE-2026-16740 is a critical missing authorization vulnerability in TR7 ASP, published on 14 Oct 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-2026-16740 in the wild and no public exploit code.

Affected product: TR7 ASP. 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-2026-16740/ (Markdown: https://insights.sbomify.com/CVE-2026-16740/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-16740
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-16740
- OSV: https://osv.dev/vulnerability/CVE-2026-16740

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-16740/
Summaries are generated and may contain mistakes; the official description above is the record.