MEDIUMEthereum·Calldata Underflow and Resolver Hijack·#227 all-time

1inch Swap

$5.0M stolenFriday, March 7, 2025 · 507 days ago

Other recorded incidents at 1inch Swap

DefiLlama records 2 separate incidents under this name. Each has its own page.

Situation Summary

3/7/2025 — EXPLOIT DETECTED

$5.0M drained from 1inch Swap on Ethereum.

TECHNIQUE: CALLDATA UNDERFLOW AND RESOLVER HIJACK

Social Reactions

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Data: DefiLlama · Monitoring Room

Source: DefiLlama · 600 recorded incidents · data as of 2026-07-27 02:04 UTC