Cisco’s RCE Bug: A Catalyst for Chaos or Just a “Token” Gesture?
Cisco has patched a critical-severity vulnerability in IOS XE, tracked as CVE-2025-20188, which allowed remote code execution. The bug, with a CVSS score of 10/10, involved an arbitrary file upload due to a hardcoded JSON Web Token. Users should upgrade or disable the vulnerable feature to avoid unexpected network gymnastics.
Hot Take:
Ah, the classic tale of “Oops, we left the front door wide open.” Cisco’s latest vulnerability, CVE-2025-20188, is like finding out your Wi-Fi password is “password.” With a perfect 10/10 on the “whoopsie-daisy” scale, this flaw reminds us that sometimes even the tech giants can leave the barn door open and the cows wandering free.
Key Points:
– The vulnerability, CVE-2025-20188, is rated a perfect 10/10 in severity and allows for remote code execution.
– It involves an arbitrary file upload due to a hardcoded JSON Web Token (JWT) in Cisco IOS XE.
– Attackers can exploit it remotely without authentication via crafted HTTPS requests.
– It affects several Cisco Catalyst wireless controllers and embedded wireless controllers.
– Users should upgrade to the patched version or disable the vulnerable feature to avoid being the next “oops” headline.