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China-linked Hackers Exploit Lanscope Zero-Day to Deploy Gokcpdoor Malware

China-linked Hackers Exploit Lanscope Zero-Day to Deploy Gokcpdoor Malware

First seen 4 Nov 2025, 11:09 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

Cyber-espionage group Bronze Butler, also known as Tick, has exploited a zero-day vulnerability in Motex Lanscope Endpoint Manager, identified as CVE-2025-61932. This critical request origin verification flaw was used to deploy an updated version of the Gokcpdoor malware to steal confidential information. The attacks were observed by Sophos researchers in mid-2025 before the vulnerability was patched.

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