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 ...

As recently as 2021, the notorious Russian APT28 was exploiting network routers running outdated versions of Cisco's IOS and IOS XE operating system software, using them to deploy backdoors in ...

Cisco has addressed the two vulnerabilities (CVE-2023-20198 and CVE-2023-20273) that hackers exploited to compromise tens of thousands of IOS XE devices over the past week. The free software release ...

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 ...