CrewCTF 2025
24 challenges with 36 published solutions between them. No writeups were ever filed against this event's listing, so its solutions were found in public repositories instead. Each link is pinned to the commit it was read from.
The event listingUncategorised18
The upstream scoreboard did not say, so neither do we.
Barelyontime
4 official solutionsAlso written up in: mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo
Hate Notes
4 official solutionsAlso written up in: jameskaois/ctf-writeups, av4nth1ka/web-ctf-notes, tagsou/CTF-writeups-solutions, tagsou/CTF-writeups-solutions
Professor View
2 official solutionsAlso written up in: jameskaois/ctf-writeups, av4nth1ka/web-ctf-notes
Also written up in: a-p-n/CTF-solutions
Basics
1 official solutionAlso written up in: a-p-n/CTF-solutions
Also written up in: tagsou/CTF-writeups-solutions
Chall
1 official solutionAlso written up in: a-p-n/CTF-solutions
Decoder
1 official solutionAlso written up in: tagsou/CTF-writeups-solutions
Encoder
1 official solutionAlso written up in: tagsou/CTF-writeups-solutions
Also written up in: a-p-n/CTF-solutions
Love Notes
1 official solutionAlso written up in: jameskaois/ctf-writeups
Netstack
1 official solutionAlso written up in: tagsou/CTF-writeups-solutions
Reader
1 official solutionAlso written up in: tagsou/CTF-writeups-solutions
Sender
1 official solutionAlso written up in: tagsou/CTF-writeups-solutions
Smol Aes
1 official solutionAlso written up in: a-p-n/CTF-solutions
Start
1 official solutionAlso written up in: tagsou/CTF-writeups-solutions
Also written up in: tagsou/CTF-writeups-solutions
Also written up in: tagsou/CTF-writeups-solutions
Cryptography4
Recover a plaintext or a key from something that was supposed to protect it. In practice: identify the scheme, find the parameter the author got wrong, exploit it.
Also written up in: sajjadium/ctf-archives, a-p-n/CTF-solutions, tagsou/CTF-writeups-solutions
Also written up in: sajjadium/ctf-archives, a-p-n/CTF-solutions
Klara
2 official solutionsAlso written up in: sajjadium/ctf-archives, a-p-n/CTF-solutions
Server
2 official solutionsAlso written up in: sajjadium/ctf-archives, a-p-n/CTF-solutions
Misc2
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
IOIOIOI
1 official solutionAlso written up in: sajjadium/ctf-archives
Rotating Subsequence
1 official solutionAlso written up in: sajjadium/ctf-archives