CVE-2020-26561 Memory corruption in n/a

High 8.8 Published Updated

A stack-based buffer overflow in the mini_httpd component allows attackers to execute arbitrary code on unsupported Belkin Linksys routers.

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-2020-26561?

CVE-2020-26561 is a high-severity memory corruption vulnerability in n/a, published on 23 Oct 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Belkin LINKSYS WRT160NL 1.0.04.002_US_20130619 devices have a stack-based buffer overflow vulnerability because of sprintf in create_dir in mini_httpd. Successful exploitation leads to arbitrary code execution. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Weakness: CWE-787

Which versions are affected by CVE-2020-26561?

It affects 1 product.

Products include Belkin Linksys Wrt 160nl Firmware.

How do I fix CVE-2020-26561?

No fix has been published for CVE-2020-26561 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-26561 being exploited?

There is no known exploitation of CVE-2020-26561 in the wild and no public exploit code.

Sources

Also known as GHSA-2rfj-52vv-cpj6.

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