CVE-2017-18840 Denial of service in n/a
Attackers can cause a denial of service on NETGEAR M4300 and M4200 series managed switches by exploiting improper input validation.
- 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-2017-18840?
CVE-2017-18840 is a medium-severity denial of service vulnerability in n/a, published on 20 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Certain NETGEAR devices are affected by denial of service. This affects M4300-28G before 12.0.2.15, M4300-52G before 12.0.2.15, M4300-28G-POE+ before 12.0.2.15, M4300-52G-POE+ before 12.0.2.15, M4300-8X8F before 12.0.2.15, M4300-12X12F before 12.0.2.15, M4300-24X24F before 12.0.2.15, M4300-24X before 12.0.2.15, M4300-48X before 12.0.2.15, and M4200 before 12.0.2.15.
Weakness: CWE-20
Which versions are affected by CVE-2017-18840?
It affects 10 products.
Products include Netgear M4200 Firmware, Netgear M4300-12x12f Firmware, Netgear M4300-24x24f Firmware, Netgear M4300-24x Firmware, Netgear M4300-28g-Poe\+ Firmware, Netgear M4300-28g Firmware and 4 more.
How do I fix CVE-2017-18840?
No fix has been published for CVE-2017-18840 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-18840 being exploited?
There is no known exploitation of CVE-2017-18840 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-j6g5-q83j-9gxv.