What is CVE-2017-9466?

CVE-2017-9466 is a critical-severity vulnerability in Tp-Link Wr841n V8, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 9.8/10. Published 2017-06-26.

How severe is CVE-2017-9466?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Tp-Link Wr841n V8

CVE-2017-9466

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.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.005 (39.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-9466?: CVE-2017-9466 is a critical-severity vulnerability in Tp-Link Wr841n V8, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 9.8/10. Published 2017-06-26.
How severe is CVE-2017-9466?: Critical severity. CVSS v3 base score is 9.8 out of 10.