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CVE-2017-11519

CriticalPublished

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...

Published: Jul 21, 2017
Updated: Sep 16, 2024
Assigning CNA: mitre
Evidence observed: Aug 5, 2026

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.0

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

2.2%

Low · next 30 days

Percentile: 81.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

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

Responsible use

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