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This page aggregates cross-platform resources to practice Buffer Overflow (BoF / ROP): retired Hack The Box machines, PortSwigger Web Security Academy labs and TryHackMe rooms, plus curated resources (HackTricks, PortSwigger, etc.) and related skills. Coverage: 20 challenges across 2 platforms — 12 HackTheBox · 8 TryHackMe. 12 with a Spanish writeup, 13 with a video writeup.

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Where to start

Ordered by actual difficulty. At the same level: isolated lab first, then the guided room, and the full machine last.
  1. TryHackMe — Advent of Cyber 2023 (Easy · ~1440 min) · 🇬🇧
  2. TryHackMe — Buffer Overflows (Easy · ~45 min) · 🇬🇧 📹
  3. TryHackMe — Flag Vault (Easy · ~45 min) · 🇬🇧
  4. TryHackMe — Intro To Pwntools (Easy · ~45 min) · 🇬🇧
  5. TryHackMe — Sudo Buffer Overflow (Info · ~30 min) · 🇬🇧
  6. HackTheBox — Buff (Fácil) · 🇪🇸 🇬🇧 📹

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Curated resources

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HTB machines practicing Buffer Overflow (BoF / ROP) (12)

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TryHackMe rooms practicing Buffer Overflow (BoF / ROP) (8)

← Back to the full glossary Last updated: 2026-08-13