# CVE-2026-34126: Bluetooth Communication Uses Unencrypted Transmission During Initial Setup on TP-Link's Tapo L535E, P300 and D100C

> Attackers within Bluetooth range can eavesdrop on or manipulate unencrypted initial setup communications to gain unauthorized control of TP-Link smart devices.

- **Severity:** High 7.3 (`CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 28 May 2026
- **Updated:** 28 May 2026
- **Also known as:** GHSA-p93f-7gcr-x8pr

## What is CVE-2026-34126?

CVE-2026-34126 is a high-severity vulnerability in TP Link Systems Inc. Tapo D100C v1.0, published on 28 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

TP-Link has identified a vulnerability in Tapo L535E v1.0 and v3.0, Tapo P300 v1.0, and Tapo D100C v1.0, where Bluetooth communication during the initial setup phase is transmitted in cleartext without encryption.  Bluetooth is only used during initialization.

An attacker within the Bluetooth range could exploit this behavior using Bluetooth sniffing or man-in-the-middle techniques, which may allow eavesdropping on Bluetooth communication, manipulate transmitted setup data and potentially gain unauthorized control of the device during initialization. 

An attacker
within the Bluetooth range could exploit this behavior using Bluetooth sniffing
or man-in-the-middle techniques, which may allow eavesdropping on Bluetooth
communication, manipulate transmitted setup data and potentially gain
unauthorized control of the device during initialization.

D100C is the
chime delivered with your Tapo camera, and it is delivered with the following
Tapo products:

D130, D210, D235,
D225, TD21, TDB21 and TD25

Weakness: CWE-319 (Cleartext Transmission of Sensitive Information)

## Which versions are affected by CVE-2026-34126?

It affects 3 products.


Products: Tp-Link Tapo D100c Firmware, Tp-Link Tapo L535e Firmware, Tp-Link Tapo P300 Firmware.

## How do I fix CVE-2026-34126?

No fix has been published for CVE-2026-34126 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-34126 being exploited?

There is no known exploitation of CVE-2026-34126 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-34126 and fix it if it is affected.

What it is: CVE-2026-34126 is a high-severity vulnerability in TP Link Systems Inc. Tapo D100C v1.0, published on 28 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-34126 in the wild and no public exploit code.

Affected product: TP Link Systems Inc. Tapo D100C v1.0. 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-2026-34126/ (Markdown: https://insights.sbomify.com/CVE-2026-34126/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-34126
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-34126
- OSV: https://osv.dev/vulnerability/CVE-2026-34126

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-34126/
Summaries are generated and may contain mistakes; the official description above is the record.