CVE-2020-9277 Auth bypass in n/a

Critical 9.8 Published Updated

Attackers can bypass authentication on D-Link DSL-2640B routers to perform administrative tasks like changing passwords without credentials.

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-2020-9277?

CVE-2020-9277 is a critical authentication bypass vulnerability in n/a, published on 20 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on D-Link DSL-2640B B2 EU_4.01B devices. Authentication can be bypassed when accessing cgi modules. This allows one to perform administrative tasks (e.g., modify the admin password) with no authentication.

Weakness: CWE-287

Which versions are affected by CVE-2020-9277?

It affects 1 product.

Products include Dlink Dsl-2640b Firmware.

How do I fix CVE-2020-9277?

No fix has been published for CVE-2020-9277 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-2020-9277 being exploited?

There is no known exploitation of CVE-2020-9277 in the wild and no public exploit code.

Sources

Also known as GHSA-4vh6-rxvj-rwh4.

Is CVE-2020-9277 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free