Hackers have continued to exploit a critical vulnerability in the cross-chain router protocol (CRP) Multichain that first appeared on Jan 17.
Earlier this week, Multichain urged users to revoke approvals for six tokens to protect their assets from being exploited by malicious individuals.
However Multichain’s announcement on Jan. 17 encouraged more hackers to try the exploit. One stole $1.43 million, another offered to return 80% while keeping the rest as a tip. According to Tal Be’ery, the co-founder of the ZenGo wallet, the stolen amount has now risen to $3 million.
The @MultichainOrg hack is far from being over.
Over the last hours more than additional $1M stolen, rising the total stolen amount to $3M.
One victim lost $960K!https://t.co/fYhYxUojB8 pic.twitter.com/Gvh5hB6t6s
— Tal Be’ery (@TalBeerySec) January 19, 2022
Six supported tokens are still subject to the security vulnerability including WETH, PERI, OMT, WBNB, MATIC, and AVAX.
Users have accused the company on social media of not providing them with clear enough information or support regarding the situation. One user who lost $960k offered 50 ETH to the hacker’s address in return for the remaining funds.
The company claimed on Jan.17 that the critical vulnerability affecting the six tokens had been reported and fixed on Jan. 17, but on Jan. 19 it again reminded users to revoke approvals of the tokens. Multichain has since turned off the comments on its recent tweets.