CVE-2020-12126 Auth bypass in n/a

Critical 9.8 Published 2 Oct 2020 Updated 4 Aug 2024

Unauthenticated attackers can bypass authentication on WAVLINK routers to leak settings, modify configurations, and cause denial of service.

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-2020-12126?

CVE-2020-12126 is a critical authentication bypass vulnerability in n/a, published on 2 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple authentication bypass vulnerabilities in the /cgi-bin/ endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allow an attacker to leak router settings, change configuration variables, and cause denial of service via an unauthenticated endpoint.

Weakness: CWE-287

Which versions are affected by CVE-2020-12126?

It affects 1 product.

Products include Wavlink Wn530h4 Firmware.

How do I fix CVE-2020-12126?

No fix has been published for CVE-2020-12126 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-12126 being exploited?

There is no known exploitation of CVE-2020-12126 in the wild and no public exploit code.

Sources

Also known as GHSA-vm7v-pxq2-f7qr.