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CVE-2026-5039

6.1 medium SSVC exploitation: none Analyzed
NVD · CVE.org

TP-Link TL-WR841N v13 uses DES-CBC encryption in the TDDPv2 debug protocol with a cryptographic key derived from default web management credentials, making the key predictable if device is left in default configuration. A network-adjacent attacker can exploit this weakness to gain unauthorized access to the protocol, read debug data, modify certain device configuration values, and trigger device reboot, resulting in loss of integrity and a denial-of-service condition.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 6.1 · tp-linkNVD modified 2026-10-25 23:10

Affected (CPE criteria) 1

  • cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:*

References 1