A Mirai botnet is targeting discontinued D-Link routers impacted by a command injection vulnerability disclosed a year ago, Akamai reports. Tracked as CVE-2025-29635, the security defect exists because an attacker-controllable function value is copied without validation, and can be exploited through crafted POST requests. “The router extracts the value that ends up in the command buffer from the request body without checking which form field it came from,” Akamai notes. The observed exploitation attempts, it says, target the same code and trigger the same system call as a proof-of-concept (PoC) exploit published last year on GitHub, which has since been removed. As part of the observed execution path, a shell script is loaded to download and run a payload that has numerous Mirai…