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Severity across 2 analyzed records
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As of 09/11/2026, within CyStack's analyzed data, TL-MR6400 v5.3 has 1 security vulnerability published in the last 90 days. Of these, 0 are rated High or Critical. None of these vulnerabilities is listed in the CISA KEV catalog. CyStack recommends that organizations and individual users remediate applicable vulnerabilities as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of TL-MR6400 v5.3 and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
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| CVE | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-12339Authenticated Arbitrary File Write Vulnerability in multiple devices | Exploitation statusNot known exploited | FixYes | Published08/10/2026 | SeverityMedium |
CVE-2026-3841Command Injection Vulnerability in Telnet CLI on TP-Link TL-MR6400 | Exploitation statusNot known exploited | FixYes | Published03/12/2026 | SeverityHigh |
