---
title: "CVE-2026-105674: TP-Link Tapo - Authentication Bypass"
description: "TP-Link Tapo C325WB V2 contains a predictable pre-shared key generation caused by a time-seeded pseudo-random number generator in the local media streaming service, letting unauthenticated adjacent-network attackers recover the key and authenticate without valid credentials."
url: https://panop.io/threat-heartbeat/CVE-2026-105674/
---

# CVE-2026-105674 TP-Link Tapo - Authentication Bypass

TP-Link Tapo C325WB V2 contains a predictable pre-shared key generation caused by a time-seeded pseudo-random number generator in the local media streaming service, letting unauthenticated adjacent-network attackers recover the key and authenticate without valid credentials.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.20% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-105674)

## Details

Type

Authentication Bypass

Impact

Information Disclosure, Data Tampering

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

8 October 2026

Updated

15 October 2026

Weakness

[CWE-330](https://cwe.mitre.org/data/definitions/330.html)

## Vendor fix

Update to the latest version with fixed key generation mechanism.

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-2026-105674](https://nvd.nist.gov/vuln/detail/CVE-2026-105674)
- [https://www.tp-link.com/en/support/download/tapo-c325wb/#Firmware-Release-Notes](https://www.tp-link.com/en/support/download/tapo-c325wb/#Firmware-Release-Notes)
- [https://www.tp-link.com/us/support/download/tapo-c325wb/#Firmware-Release-Notes](https://www.tp-link.com/us/support/download/tapo-c325wb/#Firmware-Release-Notes)
- [https://www.tp-link.com/us/support/faq/5333/](https://www.tp-link.com/us/support/faq/5333/)

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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

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