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'Firestarter' Backdoor Can Survive Reboots, Upgrades and Standard FixesThe Cybersecurity and Infrastructure Security Agency issued an emergency directive warning a newly-discovered Cisco backdoor can survive routine remediation processes, forcing agencies to investigate edge devices that anchor federal firewall and VPN security.
Cybersecurity agencies in the U.S. and U.K. are warning about a custom malware called Firestarter persisting on Cisco Firepower and Secure Firewall devices running Adaptive Security Appliance (ASA) or Firepower Threat Defense (FTD) software. [...]
Investigators found the malware, dubbed Firestarter, on a federal agency's network in a campaign dating back to at least September 2025. The post US, UK agencies warn hackers were hiding on Cisco firewalls long after patches were applied appeared first on CyberScoop.
Notorious ransomware group Interlock has been exploiting a Cisco zero-day bug since January, AWS says
Amazon Threat Intelligence is warning of an active Interlock ransomware campaign that's exploiting a recently disclosed critical security flaw in Cisco Secure Firewall Management Center (FMC) Software
Cisco has released security updates to patch two maximum-severity vulnerabilities in its Secure Firewall Management Center (FMC) software. [...]
Plus 2 new critical vulns - patch now Cisco warned customers about another wave of attacks against its firewalls, which have been battered by intruders for at least six months. It also patched two critical bugs in its Unified Contact Center Express (UCCX) software that aren't under active exploitation - yet.…
Cisco on Wednesday disclosed that it became aware of a new attack variant that's designed to target devices running Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software releases that are susceptible to CVE-2025-20333 and CVE-2025-20362
Cisco warned customers today to patch two zero-day vulnerabilities that are actively being exploited in attacks and impact the company's firewall software. [...]
Cisco is warning about a critical remote code execution (RCE) vulnerability in the RADIUS subsystem of its Secure Firewall Management Center (FMC) software. [...]
Cisco has released security updates to address a maximum-severity security flaw in Secure Firewall Management Center (FMC) Software that could allow an attacker to execute arbitrary code on affected systems
Today, CISA warned that attackers are exploiting a critical missing authentication vulnerability in Palo Alto Networks Expedition, a migration tool that can help convert firewall configuration from Checkpoint, Cisco, and other vendors to PAN-OS. [...]
Cisco has shared a set of recommendations for customers to mitigate password-spraying attacks that have been targeting Remote Access VPN (RAVPN) services configured on Cisco Secure Firewall devices. [...]
Predicts cybercrims will find binary brainboxes harder to battle Cisco’s executive veep for security Jeetu Patel has predicted that AI will change the infosec landscape, but that end users will eventually pay for the privilege of having a binary brainbox by their side when they go into battle.…
Firewalls are supposed to update so they block new threats – miss this deadline and they might not Cisco has warned users of its Firepower firewalls – physical and virtual – that they may need to upgrade their kit within a four-day window or miss out on security intelligence updates.…