Hack history / 2023 / Hack or exploit
Maestro
Hack or exploit on Oct 24, 2023 · Arbitrary External Call
ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 3 SOURCES
Lost
$500K
dollars at the time
Returned
$465K
93% of the loss, as a source states it
Rank
#1,149
among thefts by dollars lost
What happened
A vulnerability in the Maestro Router 2 contract behind a Telegram trading bot allowed attackers to execute arbitrary external calls, pulling tokens from user wallets that had granted the router approvals. Maestro identified and fixed the exploit within about 30 minutes and paused trading.
Details
- Date
- Oct 24, 2023
- Kind
- Hack or exploit
- Method
- Arbitrary External Call
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Ethereum
Reported by
Related incidents
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Hope Finance 2023 · Hack or exploit · $2M
Dexible V2 2023 · Hack or exploit · $1.8M
Flooring Protocol 2023 · Hack or exploit · $1.6M
CoWSwap 2023 · Hack or exploit · $180K
Hope Finance 2023 · Hack or exploit · $2M
Dexible V2 2023 · Hack or exploit · $1.8M
Flooring Protocol 2023 · Hack or exploit · $1.6M
CoWSwap 2023 · Hack or exploit · $180K
Cite this page
SwanBluechip, "Maestro hack, Oct 24, 2023: $500K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht7f21dc31e0/ (data as of 2026-11-01).