PT-2017-12066 · Tp Link · Tp-Link Archer C9

Published 2017-07-21 · Updated 2025-11-14 · CVE-2017-11519

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions TP-Link Archer C9(UN) versions prior to V2 170511

Description The issue allows an attacker to reset the admin password by leveraging a predictable random number generator seed in the passwd recovery.lua file.

Recommendations For versions prior to V2 170511, update to V2 170511 or later to resolve the issue.

Exploit

Fix

Weakness Enumeration

CWE-335

Related Identifiers

CVE-2017-11519

Affected Products

Tp-Link Archer C9

References · 4

• 🔥 https://devcraft.io/posts/2017/07/21/tp-link-archer-c9-admin-password-reset.html · Exploit
• https://osv.dev/vulnerability/CVE-2017-11519 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-11519 · Security Note
• http://tp-link.com/en/download/Archer-C9_V2.html#Firmware · Note