DiceCTF 2025 Quals
63 challenges with 64 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not. 19 of them also carry the solution DiceCTF 2025 Quals’s own organisers published, which is linked on the challenge itself.
Full task list on CTFtimeUncategorised36
The upstream scoreboard did not say, so neither do we.
Also written up in: strellic/my-ctf-challenges, Hope0351/CTF-collection
Background
2 official solutionsAlso written up in: strellic/my-ctf-challenges, strellic/my-ctf-challenges
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solves/1.sh, solves/2.sh
0e384e19.97c02ce8
1 official solutionAlso written up in: strellic/my-ctf-challenges
17896441.7df88033
1 official solutionAlso written up in: strellic/my-ctf-challenges
2025 03 30 Quals
1 official solutionAlso written up in: Arc-blroth/ctf-writeups
27b12e09.Ccfc5cdc
1 official solutionAlso written up in: strellic/my-ctf-challenges
42.3e040076
1 official solutionAlso written up in: strellic/my-ctf-challenges
435bcd1f.B6da348e
1 official solutionAlso written up in: strellic/my-ctf-challenges
5fbc5cf1.7dee1062
1 official solutionAlso written up in: strellic/my-ctf-challenges
81f781ae.Dba3d6ee
1 official solutionAlso written up in: strellic/my-ctf-challenges
A7bd4aaa.A5984bde
1 official solutionAlso written up in: strellic/my-ctf-challenges
A94703ab.2f775a1c
1 official solutionAlso written up in: strellic/my-ctf-challenges
Also written up in: tl2cents/CTF-Writeups
Bfcache CSS injection, Next.js image cache and LLM Severance agents
1 official solutionAlso written up in: adragos.ro
Also written up in: strellic/my-ctf-challenges
C4f5d8e4.Db177bde
1 official solutionAlso written up in: strellic/my-ctf-challenges
Circuit
1 official solutionAlso written up in: tl2cents/CTF-Writeups
Evaluate Example
1 official solutionAlso written up in: tl2cents/CTF-Writeups
Evaluator1
1 official solutionAlso written up in: tl2cents/CTF-Writeups
Evaluator2
1 official solutionAlso written up in: tl2cents/CTF-Writeups
F641e222.646431a0
1 official solutionAlso written up in: strellic/my-ctf-challenges
Fancy
1 official solutionAlso written up in: tl2cents/CTF-Writeups
Gen Key
1 official solutionAlso written up in: tl2cents/CTF-Writeups
Inject
1 official solutionAlso written up in: strellic/my-ctf-challenges
Local Solve
1 official solutionAlso written up in: tl2cents/CTF-Writeups
Main.B95fd5e1
1 official solutionAlso written up in: strellic/my-ctf-challenges
Midget
1 official solutionAlso written up in: SolarDebris/writeups
Nic Cir
1 official solutionAlso written up in: tl2cents/CTF-Writeups
Oboe Unsolved
1 official solutionAlso written up in: SolarDebris/writeups
Popup
1 official solutionAlso written up in: strellic/my-ctf-challenges
Also written up in: Hope0351/CTF-collection
Resort
1 official solutionAlso written up in: RocketMaDev/CTFWriteup
Runtime~Main.B38155a5
1 official solutionAlso written up in: strellic/my-ctf-challenges
Using
1 official solutionAlso written up in: strellic/my-ctf-challenges
Yao Circuit
1 official solutionAlso written up in: tl2cents/CTF-Writeups
Misc10
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Published by the organisers in dicegang/dicectf-quals-2025-challenges: sol/run.sh, solve/solve.py
Also written up in: Hope0351/CTF-collection, EddWasTaken/CTF-Solutions, Hope0351/CTF-collection, Hope0351/CTF-collection
Cpu Documentation
3 official solutionsAlso written up in: sajjadium/ctf-archives, pwncollege/ctf-archive, 26twentysix/CTF-Writeups
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solution/writeup.md
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solve.py
Diceon Misc 13 Solves
1 official solutionAlso written up in: cyber-man.pl
Funnylogin
1 official solutionAlso written up in: 7rocky.github.io
Rps Casino
1 official solutionAlso written up in: 7rocky.github.io
- dompurify
- cssinjection
- bfcache
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Winter
1 official solutionAlso written up in: 7rocky.github.io
Yaonet
1 official solutionAlso written up in: 7rocky.github.io
Cryptography6
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.
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solve/solve.sage, solve/src/curious_circuit.rs, solve/src/garble_evaluator.rs, solve/src/lib.rs, solve/src/ot.rs, solve/src/parse.rs, solve/src/twopac_evaluator.rs
Server
3 official solutionsAlso written up in: sajjadium/ctf-archives, tl2cents/CTF-Writeups, tranminhprvt01/CTF-writeups
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solve.py
Also written up in: tranminhprvt01/CTF-writeups
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solve.py
Also written up in: tranminhprvt01/CTF-writeups
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solve.sage
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solve.py
Web4
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Published by the organisers in dicegang/dicectf-quals-2025-challenges: exploit.py
- web
Same technique in picoCTF: logon, More Cookies, Cookie Monster Secret Recipe
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solve/solve.js
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solve.py
Binary exploitation4
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Published by the organisers in dicegang/dicectf-quals-2025-challenges: pwn.c, solve.py
Also written up in: mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo
- kernel
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Published by the organisers in dicegang/dicectf-quals-2025-challenges: pwn.c, solve.py
Published by the organisers in dicegang/dicectf-quals-2025-challenges: README.md, solve/src/main.rs
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solve/randoracle.c, solve/solve.py
Reverse engineering3
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Published by the organisers in dicegang/dicectf-quals-2025-challenges: README.md, solve/src/main.rs
Published by the organisers in dicegang/dicectf-quals-2025-challenges: solve/src/main.rs
Published by the organisers in dicegang/dicectf-quals-2025-challenges: src/bin/solve_rev.rs