Vulnerability · Published Oct 8, 2026 · Assigned by TPLink

CVE-2026-102368Plaintext Storage of a Device-Specific Private Key in Tapo S505 Firmware

Medium 5.4

In plain English

A medium-severity security flaw in Tapo S505 v1.6 from TP-Link System Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 4.0)5.4Medium

Exploit odds (30 days)0.1%top 99.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Affected Tapo device firmware stores device-specific cryptographic material in plaintext within nonvolatile storage. An attacker with physical access to an affected device can recover this sensitive material from the firmware. Successful exploitation of this vulnerability may result in the disclosure of device-specific cryptographic material and could, under certain conditions, increase the risk of unauthorized access to related protected information or communications.

Affected products (as reported)

Vendor	Product	Versions
TP-Link System Inc.	Tapo S505 v1.6	0 – before 1.4.1 Build 260713

Weakness: CWE-312 · Vector: CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

https://www.tp-link.com/us/support/download/tapo-s505/#Firmware-Release-Notes patch
https://www.tp-link.com/us/support/faq/5332/ vendor-advisory