---
title: "CVE-2026-108473: Kasa Devices - Broken Access Control"
description: "Kasa devices contain an improper authentication vulnerability in the local device-management protocol, letting unauthenticated adjacent attackers modify device state or management settings and potentially expose account information under certain conditions."
url: https://panop.io/threat-heartbeat/CVE-2026-108473/
---

# CVE-2026-108473 Kasa Devices - Broken Access Control

Kasa devices contain an improper authentication vulnerability in the local device-management protocol, letting unauthenticated adjacent attackers modify device state or management settings and potentially expose account information under certain conditions.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.27% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-108473)

## Details

Type

Broken Access Control

Impact

Broken Access Control, Information Disclosure

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-306](https://cwe.mitre.org/data/definitions/306.html)

## Vendor fix

Update to the latest firmware version provided by the vendor.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-108473](https://nvd.nist.gov/vuln/detail/CVE-2026-108473)
- [https://www.tp-link.com/en/support/download/](https://www.tp-link.com/en/support/download/)
- [https://www.tp-link.com/us/support/download/](https://www.tp-link.com/us/support/download/)
- [https://www.tp-link.com/us/support/faq/5342/](https://www.tp-link.com/us/support/faq/5342/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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