Cisco announced patches for CVE-2026-20045, a zero-day vulnerability in Unified CM that has been targeted by hackers.

The US is urging companies and government agencies to patch newly discovered flaws in Cisco firewall products, warning that an advanced hacking group is already exploiting them. On Thursday, the US’s ...

Cisco fixes actively exploited CVE-2026-20045 zero-day enabling unauthenticated RCE in Unified CM and Webex; CISA sets Feb 11, 2026 deadline.

Cisco this week asked that a presentation on how to hack its IOS router software be pulled from a security conference in Las Vegas. A presentation called “The Holy Grail: Cisco IOS Shellcode Remote ...

One of the most serious network device attacks in recent memory continues to widen, according to Censys researchers. Compromises of Cisco IOS XE devices jumped by 8,000 on Wednesday, bringing the ...