CVE-2020-35782 Missing authorization in n/a
Remote attackers can bypass access controls to write arbitrary data to internal memory via the TFTP firmware update mechanism on affected NETGEAR switches.
- 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-2020-35782?
CVE-2020-35782 is a high-severity missing authorization vulnerability in n/a, published on 29 Dec 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 lack of access control at the function level. This affects JGS516PE before 2.6.0.48, JGS524Ev2 before 2.6.0.48, JGS524PE before 2.6.0.48, and GS116Ev2 before 2.6.0.48. The TFTP firmware update mechanism does not properly implement firmware validations, allowing remote attackers to write arbitrary data to internal memory.
Which versions are affected by CVE-2020-35782?
It affects 4 products.
Products include Netgear Gs116e Firmware, Netgear Jgs516pe Firmware, Netgear Jgs524e Firmware, Netgear Jgs524pe Firmware.
How do I fix CVE-2020-35782?
No fix has been published for CVE-2020-35782 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-35782 being exploited?
There is no known exploitation of CVE-2020-35782 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as CVE-2020-35232, GHSA-j8r6-c45m-jv6q.