# CVE-2025-9520: IDOR Leading to Owner Account Hijacking in Omada Controller

> An IDOR vulnerability allows administrators to hijack the Owner account in TP-Link Omada Controllers, requiring a patch to prevent unauthorized access.

- **Severity:** High 8.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Jan 2026
- **Updated:** 26 Jan 2026
- **Also known as:** GHSA-q7gm-8832-99rj

## What is CVE-2025-9520?

CVE-2025-9520 is a high-severity missing authorization vulnerability in TP-Link Systems Inc. Omada Controller, published on 26 Jan 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

An IDOR vulnerability exists in Omada Controllers that allows an attacker with Administrator permissions to manipulate requests and potentially hijack the Owner account.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2025-9520?

It affects 1 product.


Products: Tp-Link Omada Controller.

## How do I fix CVE-2025-9520?

No fix has been published for CVE-2025-9520 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-9520 being exploited?

There is no known exploitation of CVE-2025-9520 in the wild and no public exploit code.

## Other vulnerabilities in TP-Link Systems Inc. Omada Controller

- [CVE-2020-12475](https://insights.sbomify.com/CVE-2020-12475/): Path traversal in n/a (medium 5.5)
- [CVE-2025-9522](https://insights.sbomify.com/CVE-2025-9522/): Blind Server-Side Request Forgery (SSRF) in Omada Controller (medium 5.1)
- [CVE-2025-9521](https://insights.sbomify.com/CVE-2025-9521/): Password Confirmation Bypass in Omada Controller (low 2.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-9520 and fix it if it is affected.

What it is: CVE-2025-9520 is a high-severity missing authorization vulnerability in TP-Link Systems Inc. Omada Controller, published on 26 Jan 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-9520 in the wild and no public exploit code.

Affected product: TP-Link Systems Inc. Omada Controller. 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-2025-9520/ (Markdown: https://insights.sbomify.com/CVE-2025-9520/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-9520
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-9520
- OSV: https://osv.dev/vulnerability/CVE-2025-9520

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-9520/
Summaries are generated and may contain mistakes; the official description above is the record.