China-linked Hackers Exploit Cisco Flaw to Breach Canadian Telecom
2025-06-23
Canadian and US officials announced Monday that hackers suspected of working for the Chinese government exploited a critical vulnerability (CVE-2023-20198) in Cisco IOS XE, patched 16 months prior, to compromise a Canadian telecommunications provider. The group, known as Salt Typhoon, previously targeted US telecoms like Verizon and AT&T. The breach potentially allowed access to wiretap systems used by government agencies and other internet traffic.