CVE-2020-14079 Memory corruption in n/a

High 8.8 Published Updated

An authenticated attacker can execute arbitrary code on TRENDnet routers via a stack-based buffer overflow in the firmware update mechanism.

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-2020-14079?

CVE-2020-14079 is a high-severity memory corruption vulnerability in n/a, published on 15 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the ssi binary. The overflow allows an authenticated user to execute arbitrary code by POSTing to apply.cgi via the action auto_up_fw (or auto_up_lp) with a sufficiently long update_file_name key.

Weakness: CWE-787

Which versions are affected by CVE-2020-14079?

It affects 1 product.

Products include Trendnet Tew-827dru Firmware.

How do I fix CVE-2020-14079?

No fix has been published for CVE-2020-14079 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-2020-14079 being exploited?

There is no known exploitation of CVE-2020-14079 in the wild and no public exploit code.

Sources

Also known as GHSA-gpq5-5w7x-w7m9.

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