We are getting closer to a functional exploit thanks to the public release of technical details regarding a maximum-severity Cisco IOS XE WLC arbitrary file upload vulnerability identified as CVE-2025-20188.
Although the Horizon3 researchers’ article lacks a “ready-to-run” proof of concept RCE exploit script, it does include enough details for an experienced attacker or even an LLM to complete the gaps.
It is advised that affected users take immediate action to safeguard their endpoints due to the immediate risk of weaponization and broad use in attacks. On May 7, 2025, Cisco revealed a serious vulnerability in the IOS XE Software for Wireless LAN Controllers that enables device takeover by an attacker read more about Exploit details for max severity Cisco IOS XE flaw now public.
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