CVE-2022-42159 Weak cryptography in n/a

Medium 4.3 Published 13 Oct 2022 Updated 16 May 2025

Predictable PRNG seed in D-Link mesh routers allows attackers to bypass security mechanisms relying on randomness.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-42159?

CVE-2022-42159 is a medium-severity vulnerability in n/a, published on 13 Oct 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

D-Link COVR 1200,1202,1203 v1.08 was discovered to have a predictable seed in a Pseudo-Random Number Generator.

Weakness: CWE-335

Which versions are affected by CVE-2022-42159?

It affects 3 products.

Products include Dlink Covr 1200 Firmware, Dlink Covr 1202 Firmware, Dlink Covr 1203 Firmware.

How do I fix CVE-2022-42159?

No fix has been published for CVE-2022-42159 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-42159 being exploited?

There is no known exploitation of CVE-2022-42159 in the wild and no public exploit code.

Sources

Also known as GHSA-vjfh-j2ff-qxw8.