TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability (CVE-2023-50224)

TP-Link TL-WR841N contains an authentication bypass by spoofing vulnerability within the httpd service, which listens on TCP port 80 by default, leading to the disclose of stored credentials. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

Published May 3, 2024 · Updated May 17, 2026

Why patchRisk explained in plain English

Worst-case scenarioIf unpatched

An attacker, without authentication, can achieve full data confidentiality loss. Federal agencies are required to remediate by 2025-09-24 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Software Vulnerability (CWE-290) (CWE-290) vulnerability in TP-Link TL-WR841N. Exploitation requires adjacent_network access, low attack complexity, no authentication required, and no user interaction required.

Am I affected?Quick check

Probably yes if any of these apply:

●IT Security

●Running tl-wr841n firmware: 3.16.9

Real-world incidentsWhat we've seen

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2025-09-03 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2025-09-24.

How to patch

Manual remediation steps

Identify affected hosts: query inventory for general installs in scope.

Apply the vendor security update referenced in CVE-2023-50224's advisory. No specific KB/version is encoded yet — consult the linked MSRC/vendor URL.

Verify the fix per the vendor's published verification steps.

Document the remediation in your change ticket and re-scan with your vulnerability scanner to confirm closure.

PowerShell automationComing soon

No tested PowerShell script for this entry yet. We’re prioritising automation based on user demand.

References

↗ CVE-2023-50224 ↗ MSRC Advisory ↗ NVD ↗ Vendor Advisory