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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (39.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- blog.senr.io/blog/cve-2017-9466-why-is-my-router-blinking-morse-code (Technical Description, Exploit, Third Party Advisory)
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.