An issue was discovered on D-Link DSL-2640B E1 EU_1.01 devices. The administrative interface doesn't perform authentication checks for a firmware-update POST request. Any attacker that can access the administrative interface can install firmware of their choice.
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Link | Tags |
---|---|
https://www.dlink.com/en/security-bulletin | vendor advisory |
https://ktln2.org/2020/03/05/cve-2020-9544/ | third party advisory exploit |