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Cetus Protocol Suffers $223M Exploit Due to Overflow Bug
Cetus Protocol Suffers $223M Exploit Due to Overflow Bug
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A critical overflow flaw in Cetus Protocol’s automated market Maker logic led to a $223 million exploit, marking one of the largest DeFi breaches in recent history. Blockchain security firm Dedaub identified the vulnerability as a miswritten condition that failed to handle large numerical inputs correctly.
Instead of rejecting oversized values, the system truncated them, creating a discrepancy that allowed the attacker to manipulate the protocol with minimal initial deposit. The incident underscores the persistent risks in DeFi’s smart contract infrastructure.
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