CVE-2017-11519 Weak cryptography in n/a

Critical 9.8 Published Updated

An attacker can reset the admin password on TP-Link Archer C9 routers due to a predictable random number generator seed, leading to full device compromise.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-11519?

CVE-2017-11519 is a critical vulnerability in n/a, published on 21 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-335

Which versions are affected by CVE-2017-11519?

It affects 1 product.

Products include Tp-Link Archer C9 \(2.0\) Firmware.

How do I fix CVE-2017-11519?

No fix has been published for CVE-2017-11519 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-11519 being exploited?

There is no known exploitation of CVE-2017-11519 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-frjm-wvvg-4gw5.

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