An issue was discovered on D-Link DCS-2530L before 1.06.01 Hotfix and DCS-2670L through 2.02 devices. cgi-bin/ddns_enc.cgi allows authenticated command injection.
https://www.databreachtoday.com/five-year-old-d-link-bugs-see-active-exploitation-a-29138
https://thehackernews.com/2025/08/cisa-adds-3-d-link-router-flaws-to-kev.html