CVE record · CVE-2026-108473

Improper Authentication and Credential Exposure in Multiple TP-Link Kasa Devices

CVSS 8.7 HighEPSS 0.0027 · 19th percentile

Published by the CVE Program (CNA: TPLink) at 14 Oct 2026, 00:06 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
TP-Link Systems Inc.	HS103 v5	affected before 1.1.3 Build 250908 Rel.112508 custom Other versions: unaffected
TP-Link Systems Inc.	EP10 v1	affected before 1.1.1 Build 250908 Rel.112508 custom Other versions: unaffected
TP-Link Systems Inc.	EP40 v1	affected before 1.1.0 Build 250225 Rel.171723 custom Other versions: unaffected
TP-Link Systems Inc.	HS200 v5	affected before 1.1.2 Build 241220 Rel.165559 custom Other versions: unaffected
TP-Link Systems Inc.	KP401 v1	affected before 1.1.2 Build 241223 Rel.094434 custom Other versions: unaffected
TP-Link Systems Inc.	KS230 KIT v2	affected before 1.1.4 Build 241223 Rel.105830 custom Other versions: unaffected
TP-Link Systems Inc.	KP405 v1	affected before 1.1.0 Build 250225 Rel.174632 custom Other versions: unaffected
TP-Link Systems Inc.	HS220 v3	affected before 1.1.4 Build 241220 Rel.171050 custom Other versions: unaffected
TP-Link Systems Inc.	KP115 v1	affected before 1.1.1 Build 250908 Rel.112945 custom Other versions: unaffected
TP-Link Systems Inc.	HS210 v3	affected before 1.1.0 Build 250225 Rel.163425 custom Other versions: unaffected
TP-Link Systems Inc.	HS300 v2	affected before 1.1.2 Build 241220 Rel.171333 custom Other versions: unaffected
TP-Link Systems Inc.	KP200 v3	affected before 1.1.0 Build 250225 Rel.171724 custom Other versions: unaffected
TP-Link Systems Inc.	KP303 v2	affected before 1.1.2 Build 241220 Rel.173321 custom Other versions: unaffected
TP-Link Systems Inc.	KS200 v1	affected before 1.1.2 Build 241223 Rel.103857 custom Other versions: unaffected
TP-Link Systems Inc.	EP40A v1	affected before 1.1.1 Build 250908 Rel.112526 custom Other versions: unaffected
TP-Link Systems Inc.	KS220 v1	affected before 1.1.3 Build 241223 Rel.105515 custom Other versions: unaffected
TP-Link Systems Inc.	KS200M v1	affected before 1.1.4 Build 241223 Rel.104700 custom Other versions: unaffected
TP-Link Systems Inc.	ES20M v1	affected before 1.1.6 Build 250522 Rel.210254 custom Other versions: unaffected
TP-Link Systems Inc.	KS220M v1	affected before 1.1.6 Build 250522 Rel.210254 custom Other versions: unaffected
TP-Link Systems Inc.	KP400 v3	affected before 1.1.0 Build 250225 Rel.171723 custom Other versions: unaffected
TP-Link Systems Inc.	KL125 v4	affected before 1.1.1 Build 260710 Rel.082646 custom Other versions: unaffected
TP-Link Systems Inc.	KL135 v2	affected before 1.1.1 Build 260710 Rel.082646 custom Other versions: unaffected
TP-Link Systems Inc.	KL110 v4	affected before 1.1.1 Build 260710 Rel.082646 custom Other versions: unaffected
TP-Link Systems Inc.	KL420L5 v1	affected before 1.4.2 Build 260605 Rel.035033 custom Other versions: unaffected

Identifiers: CVE-2026-108473
CNA: TPLink
Weakness (CWE): CWE-306
Tags: TP-Link Systems Inc. HS103 v5
TP-Link Systems Inc. EP10 v1
TP-Link Systems Inc. EP40 v1
TP-Link Systems Inc. HS200 v5
TP-Link Systems Inc. KP401 v1
TP-Link Systems Inc. KS230 KIT v2
TP-Link Systems Inc. KP405 v1
TP-Link Systems Inc. HS220 v3
Authentication bypass
Published: 14 Oct 2026
Updated: 14 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.7	High	4.0	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	CNA (TPLink)

CISA KEV Not listed.
EPSS 0.0027, the 19th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 14 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

www.tp-link.com/us/support/download/ patch
www.tp-link.com/en/support/download/ patch
www.tp-link.com/us/support/faq/5342/ vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.