# CVE-2026-15427: OS Command Injection in TR-069 (CWMP) Management Interface in TP-Link Archer VX1800v

> Attackers with ACS control can execute arbitrary root commands on TP-Link Archer VX1800v routers via the TR-069 interface.

- **Severity:** High 8.6 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Jul 2026
- **Updated:** 15 Jul 2026
- **Also known as:** GHSA-pjj3-47vg-vqcj

## What is CVE-2026-15427?

CVE-2026-15427 is a high-severity command injection vulnerability in TP-Link Systems Inc. Archer VX1800v v1, published on 14 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

An OS command
injection vulnerability exists in the TR-069 / CWMP management interface of Archer VX1800v v1 due to insufficient input validation and sanitization of
parameters, allowing crafted input to be executed as system-level commands.
Exploitation requires specific conditions such as TR-069 being enabled and ability
to influence ACS-delivered commands, compromise or control an ACS server.

Successful
exploitation may allow arbitrary command execution with root privileges,
resulting in complete compromise of the device.

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

## Which versions are affected by CVE-2026-15427?

It affects 1 product.


Products: Tp-Link Archer Vx1800v Firmware.

## How do I fix CVE-2026-15427?

No fix has been published for CVE-2026-15427 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-15427 being exploited?

There is no known exploitation of CVE-2026-15427 in the wild and no public exploit code.

## Other vulnerabilities in TP-Link Systems Inc. Archer VX1800v v1

- [CVE-2026-15428](https://insights.sbomify.com/CVE-2026-15428/): OS Command Injection in TR-069 (CWMP) Management Interface in TP-Link Archer VX1800v (high 8.5)
- [CVE-2026-15429](https://insights.sbomify.com/CVE-2026-15429/): Privilege Escalation via Improper Input Sanitization in TP-Link Archer VX1800v (medium 5.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-15427 and fix it if it is affected.

What it is: CVE-2026-15427 is a high-severity command injection vulnerability in TP-Link Systems Inc. Archer VX1800v v1, published on 14 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-15427 in the wild and no public exploit code.

Affected product: TP-Link Systems Inc. Archer VX1800v 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-2026-15427/ (Markdown: https://insights.sbomify.com/CVE-2026-15427/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-15427
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-15427
- OSV: https://osv.dev/vulnerability/CVE-2026-15427

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-15427/
Summaries are generated and may contain mistakes; the official description above is the record.