CVE-2017-9466

9.8 CRITICAL
Published: June 26, 2017 Modified: May 13, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://blog.senr.io/blog/cve-2017-9466-why-is-my-router-blinking-morse-code
Source: cve@mitre.org
Exploit Technical Description Third Party Advisory
http://blog.senr.io/blog/cve-2017-9466-why-is-my-router-blinking-morse-code
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Technical Description Third Party Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.5%
38th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

tp-link