Is CVE-2017-9466 actively exploited?

No active exploitation of CVE-2017-9466 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-9466 be exploited remotely?

Yes. CVE-2017-9466 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-9466?

CVE-2017-9466 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2017-9466

CWE-327Published: June 26, 2017· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2017-9466 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.