The activity, per the intelligence agency, involves the exploitation of CVE-2023-20198 (CVSS score: 10.0), a critical vulnerability that allows a remote, unauthenticated attacker to create an account ...

The actively exploited vulnerability impacts any switch or router running IOS XE and has the web interface exposed to the internet, a threat researcher tells CRN. The latest zero-day vulnerability in ...

Cisco has released security updates to address a high-severity zero-day vulnerability in Cisco IOS and IOS XE Software that is currently being exploited in attacks. Tracked as CVE-2025-20352, the flaw ...

Cisco warned admins today of a new maximum severity authentication bypass zero-day in its IOS XE software that lets unauthenticated attackers gain full administrator privileges and take complete ...

Cisco has disclosed four critical security flaws affecting router equipment that uses its IOS XE and IOS software. The four critical flaws are part of Cisco's June 3 semi-annual advisory bundle for ...

On Monday, Cisco reported that a critical zero-day vulnerability in devices running IOS XE software was being exploited by an unknown threat actor who was using it to backdoor vulnerable networks.

As many as 2 million Cisco devices are susceptible to an actively exploited zero-day that can remotely crash or execute code on vulnerable systems. Cisco said Wednesday that the vulnerability, tracked ...

Hackers have exploited an unpatched zero-day vulnerability in Cisco’s networking software to compromise tens of thousands of devices, researchers have warned. Cisco on Monday issued an advisory ...

Cisco today released IOS 15.0. This is the next major release after 12.4. It’s been over 4 years since Cisco has delivered a major release of IOS code. 12.4 was released in May of 2005. Apparently ...