cisco

5 articles · newest first

Cisco just found five perfect-10 bugs in its own network tools — before anyone else did

Nine vulnerabilities, five of them maximum severity, were sitting in the software that runs and secures corporate networks — Cisco caught them first, but that clock is already running.

Ravi Malhotra · Aug 24 · 6 min

Cisco networking and firewall hardware mounted in a server rack

Software

Cisco's firewall has a bug that lets anyone crash it — no password, no login, just one request

CVE-2026-20349 doesn't steal your data. It just reboots your VPN gateway on command, and Cisco's already watching it happen in the wild.

Priya Nair · Aug 23 · 6 min

Hardware

Cisco's server controller scored a 9.8 bug that hands out root — exploit code is already public

CVE-2026-20200 lets a low-privilege, already-logged-in attacker take full root control of Cisco UCS C-Series servers through the web management interface — and the discoverer's own proof-of-concept tool is sitting on GitHub right now.

Ravi Malhotra · Aug 10 · 6 min

Hardware

cisco just patched three near-perfect 9.9 bugs in the box that runs your whole network

Three flaws in Catalyst SD-WAN and IOS XE score 9.9 out of 10 — and one of them lets an attacker reach files no matter how the device is configured.

Ravi Malhotra · Aug 8 · 6 min

Networking and firewall equipment mounted in a server rack

Software

Cisco's firewall management tool shipped with a hidden login — and attackers found it first

CVE-2026-20316 is a static-credential bug in Secure FMC that's already on CISA's Known Exploited Vulnerabilities list, with a federal patch deadline of August 1.

Priya Nair · Aug 5 · 6 min