Cisco has addressed a high severity vulnerability that could allow remote attackers to crash Cisco Secure Email appliances using maliciously crafted email messages. The security flaw (tracked as ...

Better late than never. Cisco this week patched a ‘critical’ zero-day flaw in the company’s email security and management gateways that has hung over customers’ heads since December. Tracked as ...

Cisco notified customers this week to patch a critical vulnerability that could allow attackers to bypass authentication and login into the web management interface of Cisco email gateway appliances ...

The unpatched flaw affects AsyncOS-based Secure Email appliances, with Cisco investigating scope and urging rebuilds in confirmed compromise cases. Cisco has warned that a China-linked hacking group ...

Cisco's trusted security reputation is being used against users as part of an email phishing scheme. According to email security firm Raven AI, attackers have weaponized Cisco Safe Links, a feature ...

The two vendors revealed details about the cyberattacks in separate disclosures Wednesday. Zero-day vulnerabilities in Cisco and SonicWall products have been exploited in new cyberattack campaigns, ...

Cisco finally delivered a fix for a maximum-severity bug in AsyncOS that has been under attack for at least a month.… The networking giant disclosed the vulnerability, tracked as CVE-2025-20393, on ...