Cisco’s IOS XR Woes: Image Bypass and DoS Drama Unleashed!
Cisco patches high-severity IOS XR flaws that could lead to image verification bypass and denial of service—because who doesn’t love a surprise network outage? With vulnerabilities like these, even your devices are taking a break!
Hot Take:
It seems like Cisco’s IOS XR software was hosting a bug buffet with a side of DoS delight! With vulnerabilities that allowed for image verification bypass and broadcast storm induced device meltdowns, it’s a good thing Cisco decided to clean house. Remember, when life gives you bugs, patch them before they turn into a full-blown tech circus!
Key Points:
– Cisco addressed multiple high-severity vulnerabilities in IOS XR software related to ARP implementation and installation processes.
– CVE-2025-20340 allows an attacker to trigger a denial of service via ARP traffic.
– CVE-2025-20248 lets attackers bypass image signature verification, risking unauthorized installation.
– CVE-2025-20159 is a medium-severity flaw allowing bypass of ACLs for management interfaces.
– No known wild exploits of these vulnerabilities have been reported.