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 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 ...

APT28, a state-sponsored hacking group operated by Russian military intelligence, is exploiting a six-year-old vulnerability in Cisco routers to deploy malware and carry out surveillance, according to ...

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 ...

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 ...

Government agencies in the U.S. and Japan say that a group known as BlackTech has been observed compromising Cisco routers and installing backdoors for maintaining access. Hackers linked to the People ...