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Vulnerability record · CVE-2026-3294 · published 22 May 2026

CVE-2026-3294: Tp-link re305 firmware improper input validation vulnerability

Tp Link · Re305 Firmware

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.

8.7 CVSS 4.0 High EPSS 0.57% · top 55.2% CWE-20 · Improper input validationCWE-862 · Missing authorization
8.7CVSS 4.0 base score
0.57%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
11References
23 Jul 2026Last modified by NVD

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: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:

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.tp-link.com/en/support/download/re305/v1/#Firmware Product
https://www.tp-link.com/en/support/download/re360/v1/#Firmware Product
https://www.tp-link.com/en/support/download/re580d/#Firmware Product
https://www.tp-link.com/en/support/download/re650/v1/#Firmware Product
https://www.tp-link.com/en/support/download/tl-wa860re/v4/#Firmware Product
https://www.tp-link.com/us/support/download/re305/v1/#Firmware Product
https://www.tp-link.com/us/support/download/re360/v1/#Firmware Product
https://www.tp-link.com/us/support/download/re580d/#Firmware Product
https://www.tp-link.com/us/support/download/re650/v1/#Firmware Product
https://www.tp-link.com/us/support/download/tl-wa860re/v4/#Firmware Product
https://www.tp-link.com/us/support/faq/5101/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-3294), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.