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TP-Link CVE-2026-3294

| EUVDEUVD-2026-31502 HIGH
Improper Input Validation (CWE-20)
2026-05-22 TPLink GHSA-x4px-5wq7-9jm8
8.7
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
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/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

1
CVE Published
May 22, 2026 - 20:48 nvd
UNKNOWN (no severity yet)

DescriptionCVE.org

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.

Analysis

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.

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7.5 Apr 22

Directory traversal vulnerability in TP-LINK Archer C5 (1.2) with firmware before 150317, C7 (2.0) with firmware before

CVE-2013-2578 CRITICAL POC
10.0 Oct 11

cgi-bin/admin/servetest in TP-Link IP Cameras TL-SC3130, TL-SC3130G, TL-SC3171, TL-SC3171G, and possibly other models be

CVE-2021-41653 CRITICAL POC
9.8 Nov 13

The PING function on the TP-Link TL-WR840N EU v5 router with firmware through TL-WR840N(EU)_V5_171211 is vulnerable to r

CVE-2022-25061 CRITICAL POC
9.8 Feb 25

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_set

CVE-2015-3036 CRITICAL POC
10.0 May 21

Stack-based buffer overflow in the run_init_sbus function in the KCodes NetUSB module for the Linux kernel, as used in c

CVE-2012-5687 HIGH POC
7.8 Nov 01

Directory traversal vulnerability in the web-based management feature on the TP-LINK TL-WR841N router with firmware 3.13

CVE-2022-25060 CRITICAL POC
9.8 Feb 25

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_sta

CVE-2025-9377 HIGH
8.6 Aug 29

TP-Link Archer C7 and TL-WR841N routers contain an authenticated remote command execution vulnerability in the Parental

CVE-2024-57049 CRITICAL POC
9.8 Feb 18

A vulnerability in the TP-Link Archer c20 router with firmware version V6.6_230412 and earlier permits unauthorized indi

CVE-2017-13772 HIGH POC
8.8 Oct 23

Multiple stack-based buffer overflows in TP-Link WR940N WiFi routers with hardware version 4 allow remote authenticated

CVE-2022-25064 CRITICAL POC
9.8 Feb 25

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability via the functio

CVE-2022-30075 HIGH POC
8.8 Jun 09

In TP-Link Router AX50 firmware 210730 and older, import of a malicious backup file via web interface can lead to remote

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CVE-2026-3294 vulnerability details – vuln.today

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