CVE-2021-45608 Integer overflow in n/a

Medium 6.5 Published Updated

An integer overflow in the NetUSB kernel module allows remote code execution on various routers, requiring complex exploitation from the WAN interface.

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-2021-45608?

CVE-2021-45608 is a medium-severity vulnerability in Netgear D7800 Firmware, published on 26 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Certain D-Link, Edimax, NETGEAR, TP-Link, Tenda, and Western Digital devices are affected by an integer overflow by an unauthenticated attacker. Remote code execution from the WAN interface (TCP port 20005) cannot be ruled out; however, exploitability was judged to be of "rather significant complexity" but not "impossible." The overflow is in SoftwareBus_dispatchNormalEPMsgOut in the KCodes NetUSB kernel module. Affected NETGEAR devices are D7800 before 1.0.1.68, R6400v2 before 1.0.4.122, and R6700v3 before 1.0.4.122.

Weakness: CWE-190

Which versions are affected by CVE-2021-45608?

It affects 3 products.

Products include Netgear D7800 Firmware, Netgear R6400v2 Firmware, Netgear R6700v3 Firmware.

How do I fix CVE-2021-45608?

No fix has been published for CVE-2021-45608 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-45608 being exploited?

There is no known exploitation of CVE-2021-45608 in the wild and no public exploit code.

All Netgear D7800 Firmware vulnerabilities

Sources

Also known as CVE-2021-45388, GHSA-6x83-8r8h-3w2x.

Is CVE-2021-45608 in your software?

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

Check your SBOMs for free