CVE-2026-3841

Signals

NVD · CVE-2026-7726 · 6.5 · The Layouts for WPBakery plugin for WordPress is vulnerable to unauthorized actions due to a missing capability check on the `Layouts_WPB_Remote::template_sync(NVD · CVE-2026-7693 · 7.2 · The Backup Migration plugin for WordPress is vulnerable to OS Command Injection in all versions up to, and including, 2.1.5.1 due to insufficient sanitization oNVD · CVE-2026-7520 · 8.1 · The MailChimp Forms by MailMunch plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `sign_in()` anNVD · CVE-2026-7444 · 8.1 · The Search Analytics for WP plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.4.16. This is due to missinCISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07CISA KEV · CVE-2026-34486 · 7.5 · Apache Tomcat Missing Encryption of Sensitive Data Vulnerability · Added 2026-08-04 · Due 2026-08-07NVD · CVE-2026-7726 · 6.5 · The Layouts for WPBakery plugin for WordPress is vulnerable to unauthorized actions due to a missing capability check on the `Layouts_WPB_Remote::template_sync(NVD · CVE-2026-7693 · 7.2 · The Backup Migration plugin for WordPress is vulnerable to OS Command Injection in all versions up to, and including, 2.1.5.1 due to insufficient sanitization oNVD · CVE-2026-7520 · 8.1 · The MailChimp Forms by MailMunch plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `sign_in()` anNVD · CVE-2026-7444 · 8.1 · The Search Analytics for WP plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.4.16. This is due to missinCISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07CISA KEV · CVE-2026-34486 · 7.5 · Apache Tomcat Missing Encryption of Sensitive Data Vulnerability · Added 2026-08-04 · Due 2026-08-07

CVE Database · CVE-2026-3841

CVE-2026-3841

· HIGHAnalyzed

CVSS v3.1

8.8

CVSS v4.0

8.5

EPSS

1.77%

Published

Mar 12, 2026

Modified

Apr 2, 2026

Public PoC / Exploit

All weaponized →

No public PoC or exploit code indexed for this CVE.

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

A command injection vulnerability has been identified in the Telnet command-line interface (CLI) of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute arbitrary system commands. Successful exploitation may lead to full device compromise, including potential loss of confidentiality, integrity, and availability.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-78

Affected Products (2)

tp-link · tl-mr6400_firmware (up to 1.9.0)vulnerable

tp-link · tl-mr6400

References (2)

https://www.tp-link.com/en/support/download/tl-mr6400/v5.30/#Firmware

Product

https://www.tp-link.com/us/support/faq/5016/

Vendor Advisory

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