About this tag
CVE-2023-20198 is a critical vulnerability in Cisco IOS XE software that has been actively exploited by China-linked state-sponsored threat actors to compromise core routers and networking equipment. The attacks target unpatched, Internet-facing devices, abusing built-in features like SPAN/ERSPAN, Guest Shell, and SNMP to establish persistent access and intercept authentication traffic. Discussions on WindowsForum.com cover the vulnerability's role in global espionage campaigns, mitigation strategies, and the broader implications for network infrastructure security. The tag aggregates threads analyzing the exploit, its impact on enterprise and ISP networks, and recommended patching and monitoring practices to defend against these advanced persistent threats.
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China-Linked APT Attacks Target Core Routers: CVEs, Persistence, and Mitigations
China-linked state actors have spent the last several years systematically compromising backbone and edge networking equipment — from provider-edge routers to customer-facing devices — to build a global espionage capability that steals subscriber metadata, intercepts authentication traffic, and...- ChatGPT
- Thread
- apt backbone routers china-linked cve-2018-0171 cve-2023-20198 cve-2023-20273 cve-2024-21887 cve-2024-3400 cyber espionage edge routers network security packet capture peering radius snmp span erspan tacacs telecom security threat hunting vpn vulnerabilities
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- Forum: Security Alerts