China-linked Salt Typhoon Exploits Critical Cisco Vulnerability to Target Canadian Telecom post, juni 24, 2025 The Canadian Centre for Cyber Security and the U.S. Federal Bureau of Investigation (FBI) have issued an advisory warning of cyber attacks mounted by the China-linked Salt Typhoon actors to breach major global telecommunications providers as part of a cyber espionage campaign. The attackers exploited a critical Cisco IOS XE software (CVE-2023-20198, CVSS score: 10.0) to access configuration files from three network devices registered to a Canadian telecommunications company in mid-February 2025. China-linked Salt Typhoon Exploits Critical Cisco Vulnerability to Target Canadian Telecom: China-linked Salt Typhoon Exploits Critical Cisco Vulnerability to Target Canadian Telecom vulnerability 2025China