The Wayback Machine - https://web.archive.org/web/20190529205946/https://www.ip-forum.eu/howto-fritz-box-firmware-images-auch-unsignierte-ueber-den-bootloader-installieren-577

As mentioned earlier, using torrents to download copyrighted software poses significant risks, including:

The method specified in the query—torrenting—introduces significant legal and security risks. Torrents function via peer-to-peer (P2P) file sharing, and while the technology itself has legitimate uses, it is the primary vector for software piracy. Downloading a "full" version of Photoshop CS4 without a license is a violation of copyright law and end-user license agreements (EULAs). Beyond the legal ramifications, there is a tangible security risk. Torrented software installers are frequently modified to contain malware, ransomware, or trojans. For legacy software like CS4, which no longer receives security updates from Adobe, vulnerabilities are inherent. A user attempting to save money by pirating the software may inadvertently compromise their system's integrity.