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CVE-2026-3294

Authentication Logic Vulnerability on Multiple TP-Link Range Extenders

Published: May 22, 2026Updated: Jun 1, 2026 Sources: CVE List NVDCWE-20
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.4%
Top 68.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An authentication logic vulnerability in multiple TP-Link range extenders allows an unauthenticated attacker on an adjacent network to manipulate a login parameter and reset the administrator password due to insufficient validation. Successful exploitation allows an attacker to obtain full administrative control of the affected device, potentially impacting on confidentiality, integrity, and availability.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-20CWE-862

Affected Products

Archer RE650 v1TP-Link Systems Inc.Networking Infrastructure
Archer RE305 v1TP-Link Systems Inc.Networking Infrastructure
Archer RE360 v1TP Link Systems Inc.
Embedded
Networking Infrastructure / router-switch
TL-WA860RE v4TP-Link Systems Inc.Networking Infrastructure
RE580D v1TP-Link Systems Inc.Networking Infrastructure
tp-link systems inc.commercialCNNetworking Infrastructureaka tp-link
tp link systems inc.commercialCNNetworking Infrastructureaka tp-link, tplink
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://www.tp-link.com/en/support/download/re650/v1/#Firmware
tp-link.com
https://www.tp-link.com/us/support/download/re650/v1/#Firmware
tp-link.com
https://www.tp-link.com/us/support/download/re305/v1/#Firmware
tp-link.com
and 8 more references View all →

Timeline

Published
May 22, 2026
Last Updated
Jun 1, 2026

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