Authentication Logic Vulnerability on Multiple TP-Link Range Extenders

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Summary

CVECVE-2026-3294
StatePUBLISHED
AssignerTPLink
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-22 21:16:42 UTC
Updated2026-06-01 18:03:03 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v4.0 8.7 HIGH from f23511db-6c3e-4e32-a477-6aa17d310630

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

EPSS: 0.000490000 probability, percentile 0.156550000 (date 2026-06-04)

Problem Types: CWE-20 | CWE-862 | CWE-20 CWE-20 Improper Input Validation

VersionSourceTypeScoreSeverityVector
4.0f23511db-6c3e-4e32-a477-6aa17d310630Secondary8.7HIGHCVSS: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/C...
4.0CNACVSS8.7HIGHCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Tp-link Re305 1.0 All All All
Operating System Tp-link Re305 Firmware All All All All
Hardware Tp-link Re360 1.0 All All All
Operating System Tp-link Re360 Firmware All All All All
Hardware Tp-link Re580d 1.0 All All All
Operating System Tp-link Re580d Firmware All All All All
Hardware Tp-link Re650 1.0 All All All
Operating System Tp-link Re650 Firmware All All All All
Hardware Tp-link Tl-wa860re 4.0 All All All
Operating System Tp-link Tl-wa860re Firmware All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TP-Link Systems Inc. Archer RE650 V1 affected V1_20260429 custom Not specified
CNA TP-Link Systems Inc. Archer RE305 V1 affected V1_20260515 custom Not specified
CNA TP Link Systems Inc. Archer RE360 V1 affected V1_20260515 custom Not specified
CNA TP-Link Systems Inc. TL-WA860RE V4 affected V4_20260515 custom Not specified
CNA TP-Link Systems Inc. RE580D V1 affected V1_20260515 custom Not specified

References

ReferenceSourceLinkTags
www.tp-link.com/en/support/download/re360/v1 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/us/support/faq/5101 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Vendor Advisory
www.tp-link.com/en/support/download/tl-wa860re/v4 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/us/support/download/re360/v1 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/en/support/download/re580d f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/us/support/download/re580d f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/us/support/download/tl-wa860re/v4 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/en/support/download/re650/v1 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/en/support/download/re305/v1 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/us/support/download/re650/v1 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/us/support/download/re305/v1 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Job Jobse (en)

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