# CVE-2026-78541: Command Injection in Parent Control of TP-Link Archer BE3600 v1

> An authenticated admin can execute arbitrary commands on TP-Link Archer BE3600 routers via stored shell metacharacters in parent control profiles.

- **Severity:** High 8.5 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Aug 2026
- **Updated:** 25 Aug 2026
- **Also known as:** GHSA-3p5q-gg9q-4336

## What is CVE-2026-78541?

CVE-2026-78541 is a high-severity command injection vulnerability in TP-Link Systems Inc. Archer BE3600 v1, published on 24 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A stored OS
command injection vulnerability exists in the parent-control module of TP-Link
Archer BE3600 V1. An authenticated adjacent attacker with administrative access
may store a crafted profile name containing shell metacharacters, which is
later processed unsafely during daily cloud report generation and may result in
arbitrary command execution.

Successful
exploitation may allow command execution on the affected device with potential
impact to device confidentiality, integrity, and availability.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2026-78541?


## How do I fix CVE-2026-78541?

No fix has been published for CVE-2026-78541 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-78541 being exploited?

There is no known exploitation of CVE-2026-78541 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-78541 and fix it if it is affected.

What it is: CVE-2026-78541 is a high-severity command injection vulnerability in TP-Link Systems Inc. Archer BE3600 v1, published on 24 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-78541 in the wild and no public exploit code.

Affected product: TP-Link Systems Inc. Archer BE3600 v1. 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-2026-78541/ (Markdown: https://insights.sbomify.com/CVE-2026-78541/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-78541
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-78541
- OSV: https://osv.dev/vulnerability/CVE-2026-78541

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-78541/
Summaries are generated and may contain mistakes; the official description above is the record.