Latest cybersecurity reporting from selected sources.

Scans Count 117,000 Unpatched Firewalls Running Vulnerable Version of Fireware OSAttackers are actively attempting to exploit a now patched, zero-day vulnerability in WatchGuard Firebox firewalls, tracked as CVE-2025-14733, that can be used to remotely execute code. Scans show that over 115,000 of these edge devices remain internet-connected, unpatched and at risk.

CISA Issues Emergency Directive After Cisco Exploits Persist After RebootCISA issued an emergency directive Thursday after discovering an advanced hacking campaign exploiting two persistent zero-days in Cisco firewall gear - malware that survives system reboots and upgrades - forcing agencies to disconnect vulnerable devices by Friday.

Surge in Attack Attempts Spotted After Palo Alto Networks Details and Patches FlawAttackers have stepped up efforts to exploit a vulnerability in the software that runs Palo Alto Networks firewall appliances that could give them direct access to the underlying software. Unauthenticated hackers could use PHP scripts to bypass the PAN-OS management web interface.

Tianfeng Guan Allegedly Developed Zero-Day Exploit of Sophos XG FirewallThe U.S. federal government rolled out its heavy guns Tuesday against a Chinese hacker allegedly at the center of a zero-day exploit used to hack firewalls made by Sophos, unsealing an indictment, rolling out sanctions and offering $10 million for information leading to the suspect's arrest.

Firewall Vendor Warns Attackers Using Valid Credentials They Previously StoleAttackers wielding an emerging strain of ransomware called Helldown have been gaining a foothold in victims' networks by exploiting a previously unknown flaw in their Zyxel firewalls, security researchers warn. Zyxel has warned attackers may be using valid credentials they previously stole.

Company Released a Hotfix to the Command Injection VulnerabilityFirewall appliance manufacturer Palo Alto Networks rushed out a hotfix Friday to a command injection vulnerability present in its custom operating system after security researchers spotted a campaign to exploit the zero-day starting in March, likely from a state-backed threat actor.