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9.8
CRITICAL CVSS 3.0
CVE-2017-11519
TP-Link Archer C9 Predictable Random Number Generator Seed Vulnerability
Description

passwd_recovery.lua on the TP-Link Archer C9(UN)_V2_160517 allows an attacker to reset the admin password by leveraging a predictable random number generator seed. This is fixed in C9(UN)_V2_170511.

INFO

Published Date :

July 21, 2017, 9:29 p.m.

Last Modified :

April 20, 2025, 1:37 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2017-11519 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tp-link archer_c9_\(2.0\)_firmware
2 Tp-link archer_c9_\(2.0\)
: Total Affected Vendor : 1 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.0 CRITICAL [email protected]
Public PoC/Exploit Available at Github

CVE-2017-11519 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-11519.

URL Resource
http://www.tp-link.com/en/download/Archer-C9_V2.html#Firmware Third Party Advisory
https://devcraft.io/posts/2017/07/21/tp-link-archer-c9-admin-password-reset.html Exploit Third Party Advisory
http://www.tp-link.com/en/download/Archer-C9_V2.html#Firmware Third Party Advisory
https://devcraft.io/posts/2017/07/21/tp-link-archer-c9-admin-password-reset.html Exploit Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-11519 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-11519 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
vakzz/tplink-CVE-2017-11519

POC for TP-Link Archer C9 - Admin Password Reset and RCE (CVE-2017-11519)

Python

Updated: 5 years, 5 months ago
2 stars 1 fork 1 watcher
Born at : June 19, 2018, 2:04 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-11519 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2017-11519 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.tp-link.com/en/download/Archer-C9_V2.html#Firmware
    Added Reference https://devcraft.io/posts/2017/07/21/tp-link-archer-c9-admin-password-reset.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-255 CWE-335
  • Initial Analysis by [email protected]

    Jul. 27, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.tp-link.com/en/download/Archer-C9_V2.html#Firmware No Types Assigned http://www.tp-link.com/en/download/Archer-C9_V2.html#Firmware Third Party Advisory
    Changed Reference Type https://devcraft.io/posts/2017/07/21/tp-link-archer-c9-admin-password-reset.html No Types Assigned https://devcraft.io/posts/2017/07/21/tp-link-archer-c9-admin-password-reset.html Exploit, Third Party Advisory
    Added CWE CWE-255
    Added CPE Configuration AND OR *cpe:2.3:o:tp-link:archer_c9_\(2.0\)_firmware:160517:*:*:*:*:*:*:* OR cpe:2.3:h:tp-link:archer_c9_\(2.0\):-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

13.24 }} -17.05%

score

0.93527

percentile