cisco
Hackers exploit React2Shell in automated credential theft campaign
Hackers are running a large-scale campaign to steal credentials in an automated way after exploiting React2Shell (CVE-2025-55182) in vulnerable Next.js apps. At least 766 hosts across various cloud providers and geographies have been compromised to collect database and AWS credentials, SSH private keys, API keys, cloud tokens, and environment secrets. The operation uses a framework named NEXUS Listener and […]
Critical Cisco IMC auth bypass gives attackers Admin access
Cisco has released security updates to address several critical and high-severity vulnerabilities, including an Integrated Management Controller (IMC) authentication bypass that allows attackers to gain Admin access. Also known as CIMC, Cisco IMC is a hardware module embedded on the motherboard of Cisco servers that provides out-of-band management (even if the operating system is powered off or crashed) for UCS […]
Cisco source code stolen in Trivy-linked dev environment breach
Cisco has suffered a cyberattack after threat actors used stolen credentials from the recent Trivy supply chain attack to breach its internal development environment and steal source code belonging to the company and its customers. A source, who asked to remain anonymous, told GeekFeed that Cisco’s Unified Intelligence Center, CSIRT, and EOC teams contained the breach […]
CISA orders feds to patch max-severity Cisco flaw by Sunday
The Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to patch a maximum-severity vulnerability, CVE-2026-20131, in Cisco Secure Firewall Management Center (FMC) by Sunday, March 22. Cisco published a security bulletin about the flaw on March 4, urging system administrators to apply the security updates as soon as possible and warning that no workarounds are available. The […]
Ransomware gang exploits Cisco flaw in zero-day attacks since January
The Interlock ransomware gang has been exploiting a maximum severity remote code execution (RCE) vulnerability in Cisco’s Secure Firewall Management Center (FMC) software in zero-day attacks since late January. The Interlock ransomware operation surfaced in September 2024 and has been linked to ClickFix and to malware attacks in which they deployed a remote access trojan called NodeSnake on the networks of […]
Cisco flags more SD-WAN flaws as actively exploited in attacks
Cisco has flagged two Catalyst SD-WAN Manager security flaws as actively exploited in the wild, urging administrators to upgrade vulnerable devices. Catalyst SD-WAN Manager (formerly vManage) is network management software that enables admins to monitor and manage up to 6,000 Catalyst SD-WAN devices from a single centralized dashboard. “In March 2026, the Cisco PSIRT became […]
Cisco warns of max severity Secure FMC flaws giving root access
Cisco has released security updates to patch two maximum-severity vulnerabilities in its Secure Firewall Management Center (FMC) software. Secure FMC is a web or SSH-based interface for admins to manage Cisco firewalls and configure application control, intrusion prevention, URL filtering, and advanced malware protection. Both vulnerabilities can be exploited remotely by unauthenticated attackers: the authentication […]
Critical Cisco SD-WAN bug exploited in zero-day attacks since 2023
Cisco is warning that a critical authentication bypass vulnerability in Cisco Catalyst SD-WAN, tracked as CVE-2026-20127, was actively exploited in zero-day attacks that allowed remote attackers to compromise controllers and add malicious rogue peers to targeted networks. CVE-2026-20127 has a maximum severity of 10.0 and impacts Cisco Catalyst SD-WAN Controller (formerly vSmart) and Cisco Catalyst […]
Cisco fixes Unified Communications RCE zero day exploited in attacks
Cisco has fixed a critical Unified Communications and Webex Calling remote code execution vulnerability, tracked as CVE-2026-20045, that has been actively exploited as a zero-day in attacks. Tracked as CVE-2026-20045, the flaw impacts Cisco Unified Communications Manager (Unified CM), Unified CM Session Management Edition (SME), Unified CM IM & Presence, Cisco Unity Connection, and Webex Calling Dedicated […]
Cisco finally fixes AsyncOS zero-day exploited since November
Cisco has finally patched a maximum-severity Cisco AsyncOS zero-day exploited in attacks against Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) appliances since November 2025. As Cisco explained in December, when it disclosed the vulnerability (CVE-2025-20393), it affects only Cisco SEG and Cisco SEWM appliances with non-standard configurations when the Spam Quarantine […]