After scouring niche cheating forums (Cheat Happens, MegaDev, UnknownCheats), Reddit archives, and modding Discord servers, here is the definitive verdict:
Using a memory injector in a public lobby or matchmade game will trigger desynchronization errors for other players, and can lead to a permanent ban from the game's servers or a Steam account flag. Restrict your trainer usage exclusively to offline Skirmish modes against AI bots and the single-player campaign missions. company of heroes tales of valor 2700 trainer patched
Instantly caps your manpower resource, allowing you to queue up elite infantry squads without economic restrictions. Core Features of the Patched Trainer
Because this patch rewritten internal memory addresses, older trainers will instantly crash the game. A dedicated v2.700 patched trainer maps correctly to these updated memory offsets. This allows players to bypass the standard resource constraints safely in offline skirmishes and campaign modes. Core Features of the Patched Trainer and modding Discord servers