Security Incident · ETH Ecosystem
OMNI404 Smart Contract Vulnerability: $5.92K Reported Loss
Ethereum ERC-404 token OMNI404 (O404) derived NFT mint/burn counts from integer balanceOf/units diffs in _transfer().
- Reported loss
- $ 5,923
- Attack category
- Smart Contract Vulnerability
Incident Overview
Its transfer() treated values ≤50 as ERC-721 IDs but still moved a fixed 1e18 units. Using flash loans and Uniswap V3 exact-output swaps (transfer(recipient, 1/2/.../21)), the attacker received full-unit tokens while the pool booked wei-level amounts, draining about 2.4 WETH.
Sources & References
This record presents information attributed to the linked sources. Incident dates describe the original event, not a new report. Reported loss figures reflect the source record and are not current market valuations.