Bunni DEX Hack Results in $2.3 Million Loss

BlockSec identified a $2.3 million security breach on the decentralized exchange platform Bunni, revealing vulnerabilities in its Ethereum Layer 1-based smart contracts on September 2nd.

This incident highlights ongoing smart contract security issues in the DeFi sector, affecting ETH’s market value and liquidity, with potential cascading effects across interconnected protocols.

Bunni DEX Exploit: Details and Financial Impact

BlockSec’s system detected suspicious activities against Bunni’s smart contract early on September 2. The breach led to an outflow of approximately $2.3 million. The specific techniques used by the attackers have yet to be disclosed.

The reported loss affects ETH and ERC-20 liquidity token holders on the Bunni platform. No immediate public response from Bunni or BlockSec executives has been observed.

Market analysts have noted parallels to previous DeFi exploits, such as the PancakeBunny attack in 2021. The security community underscores the need for rigorous platform audits.

DeFi Security Concerns and Market Reactions

Did you know? The recent Bunni hack mirrors the PancakeBunny incident in 2021, where a $45 million flash loan exploit took place, highlighting ongoing security challenges within DeFi.

Ethereum (ETH) data as of September 2, 2025, reveals it holds a 13.92% market dominance with a price of $4,386.13. In the past 90 days, ETH grew by 67.06%, despite a slight 0.32% price dip over 24 hours, according to CoinMarketCap.

Experts emphasize the importance of improved smart contract audits and secure coding practices in preventing similar incidents. Citing past cases, around-the-clock threat monitoring could mitigate future breaches in DeFi platforms.