CVE-2026-3294
Authentication Logic Vulnerability on Multiple TP-Link Range Extenders
- State
- Published
- Severity
- 8.7 High
- Published
- May 22, 2026
- Updated
- May 27, 2026
- Reserved
- Feb 26, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | TPLink |
Weaknesses
- CWE-20 Improper Input Validation
Affected Products
| Product | Versions |
|---|---|
Archer RE650 v1TP-Link Systems Inc. |
|
Archer RE305 v1TP-Link Systems Inc. |
|
Archer RE360 v1TP Link Systems Inc. |
|
TL-WA860RE v4TP-Link Systems Inc. |
|
RE580D v1TP-Link Systems Inc. |
|
References
- https://www.tp-link.com/en/support/download/re650/v1/#Firmwarepatch
- https://www.tp-link.com/us/support/download/re650/v1/#Firmwarepatch
- https://www.tp-link.com/us/support/download/re305/v1/#Firmwarepatch
- https://www.tp-link.com/en/support/download/re305/v1/#Firmwarepatch
- https://www.tp-link.com/us/support/download/re360/v1/#Firmwarepatch
- https://www.tp-link.com/en/support/download/re360/v1/#Firmwarepatch
- https://www.tp-link.com/us/support/download/tl-wa860re/v4/#Firmwarepatch
- https://www.tp-link.com/en/support/download/tl-wa860re/v4/#Firmwarepatch
- https://www.tp-link.com/en/support/download/re580d/#Firmwarepatch
- https://www.tp-link.com/us/support/download/re580d/#Firmwarepatch
- https://www.tp-link.com/us/support/faq/5101/vendor-advisory
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