Ledger fixes critical Ethereum app flaw in v1.22.2 affecting ETH transaction signing

AI Market Summary
A critical vulnerability in Ledger's Ethereum app could allow malicious software to alter ETH transaction details during signing without being shown on-device, raising immediate self-custody and operational risk for Ledger users. Although patched in Ethereum app v1.22.2, the incident can trigger short-term disruption to transaction activity and increase security-driven caution across Ethereum-native assets until updates are widely applied.
Impact level
● High
Affected assets
ETH/USDT+1.28%
AI Insight · ETH/USDTAI Insight
▼ Bearish
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A critical vulnerability has been found in the Ethereum app on Ledger hardware wallets that could let a malicious application change ETH transaction details during signing without the altered information appearing on the device screen. The issue affects users managing ETH and Ethereum-related assets on Ledger and could result in transfers being approved without their knowledge. Ledger said the flaw is fixed in Ethereum app v1.22.2 and urged users to update the app, Ledger Live and device firmware, and to avoid signing transactions until all updates are completed.