VULNERABILITY INTELLIGENCE

CVE-2017-9466

CVSS score9.8 CRITICAL
EPSS probability0.49%
CISA KEVNot currently listed
Published2017-06-26
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The executable httpd on the TP-Link WR841N V8 router before TL-WR841N(UN)_V8_170210 contained a design flaw in the use of DES for block encryption. This resulted in incorrect access control, which allowed attackers to gain read-write access to system settings through the protected router configuration service tddp via the LAN and Ath0 (Wi-Fi) interfaces.

Weakness classification

  • CWE-327: Use of a Broken or Risky Cryptographic Algorithm

Primary references