Cisco Warns of Active Attacks Exploiting Unpatched 0-Day in AsyncOS Email Security Appliances
By The Hacker News Publication Date: 2025-12-18 04:10:00 Dec 18, 2025Ravie LakshmananVulnerability / Network Security Cisco has alerted users to…
Tag: unpatched
Cisco warns of unpatched AsyncOS zero-day exploited in attacks
By Sergiu Gatlan Publication Date: 2025-12-17 18:45:00 Cisco warned customers today of an unpatched, maximum-severity Cisco AsyncOS zero-day actively exploited…
Cisco email security appliances rooted and backdoored via still unpatched zero-day – Help Net Security
By Zeljka Zorz Publication Date: 2025-12-17 19:28:00 A suspected Chinese-nexus threat group has been compromising Cisco email security devices and…
FBI warns Russian cybercriminals attacking devices using Cisco software with unpatched vulnerability | AHA News
For Immediate Release 2025-08-21 07:00:00 The FBI Aug. 20 released an advisory warning of malicious activity by Russian cyber actors…
Russian state-sponsored espionage group Static Tundra compromises unpatched end-of-life network devices
For Immediate Release 2025-08-20 07:00:00 Static Tundra is a Russian state-sponsored cyber espionage group linked to the FSB’s Center 16…
Over 1,200 Citrix servers unpatched against critical auth bypass flaw
Over 1,200 Citrix NetScaler ADC and NetScaler Gateway appliances exposed online are unpatched against a critical vulnerability believed to be…
Thousands of Citrix NetScaler Instances Unpatched Against Exploited Vulnerabilities – SecurityWeek
Thousands of Citrix NetScaler Instances Unpatched Against Exploited Vulnerabilities SecurityWeek Article Source https://www.securityweek.com/thousands-of-citrix-netscaler-instances-unpatched-against-exploited-vulnerabilities/
Chinese hackers breach more US telecoms via unpatched Cisco routers
For Immediate Release 2025-02-14 12:56:00 China’s Salt Typhoon hackers are still actively targeting telecoms worldwide and have breached more U.S.…
RedMike Exploits Unpatched Cisco Devices in Global Telecommunications Campaign – Recorded Future
For Immediate Release 2025-02-13 05:43:00 RedMike Exploits Unpatched Cisco Devices in Global Telecommunications Campaign Recorded Future Article Source https://www.recordedfuture.com/research/redmike-salt-typhoon-exploits-vulnerable-devices
Salt Typhoon exploits unpatched Cisco devices in campaign against telecoms.
For Immediate Release 2025-02-13 17:57:00 Salt Typhoon exploits unpatched Cisco devices in campaign against telecoms. The CyberWire Article Source https://thecyberwire.com/newsletters/daily-briefing/14/29