CVE-2020-10927 Weak cryptography in R6700

High 7.5 Published Updated

Weak encryption in firmware updates allows network-adjacent attackers to execute arbitrary code with root privileges on NETGEAR R6700 routers.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-10927?

CVE-2020-10927 is a high-severity vulnerability in Netgear R6700 Firmware, published on 28 Jul 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the encryption of firmware update images. The issue results from the use of an inappropriate encryption algorithm. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-9649.

Weakness: CWE-327

Which versions are affected by CVE-2020-10927?

It affects 1 product.

Products include Netgear R6700 Firmware.

How do I fix CVE-2020-10927?

No fix has been published for CVE-2020-10927 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-10927 being exploited?

There is no known exploitation of CVE-2020-10927 in the wild and no public exploit code.

All Netgear R6700 Firmware vulnerabilities

Sources

Also known as GHSA-22qf-w2wm-5686.

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