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Tl Wr802n V4

1 CVEs product

Monthly

CVE-2026-3227 Mar 13, 21:38 HIGH PATCH This Week

Authenticated attackers can achieve root-level command execution on TP-Link TL-WR802N v4, TL-WR841N v14, and TL-WR840N v6 routers by uploading a malicious configuration file through the import function, exploiting improper input validation in the port-trigger processing logic. Successful exploitation grants complete control over the affected device, allowing full compromise of the router and any connected network. A patch is available for this high-severity vulnerability.

Command Injection TP-Link Tl Wr802n V4 Tl Wr840n V6 Tl Wr841n V14 +1
NVD VulDB
CVSS 4.0
8.5
EPSS
0.4%
EPSS 0% CVSS 8.5
HIGH PATCH This Week

Authenticated attackers can achieve root-level command execution on TP-Link TL-WR802N v4, TL-WR841N v14, and TL-WR840N v6 routers by uploading a malicious configuration file through the import function, exploiting improper input validation in the port-trigger processing logic. Successful exploitation grants complete control over the affected device, allowing full compromise of the router and any connected network. A patch is available for this high-severity vulnerability.

Command Injection TP-Link Tl Wr802n V4 +3
NVD VulDB

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