CVE-2026-3294CWE-20

Authentication Logic Vulnerability on Multiple TP-Link Range Extenders

High · published May 22, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
46.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
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
EPSS
0.00567 · 46.3th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-05-22T20:48Z
EPSS history
Timeline
  • 22 MAY 20:48Z
    Authentication Logic Vulnerability on Multiple TP-Link Range Extenders
    cvelistv5