CVE-2016-6441

A vulnerability in the Transaction Language 1 (TL1) code of Cisco ASR 900 Series routers could allow an unauthenticated, remote attacker to cause a reload of…

published November 3, 2016

CVSS
—
EPSS
5%
Percentile
92.1
In the wild
Unconfirmed
What it is

⚡ A clever command could let an attacker reload your Cisco ASR 900 Series router or run rogue code — all without needing to authenticate! 🔥 Think of it like a delivery person who can enter your office without a key — they just need to know how to tell the receptionist to let them in. If the command is right, they bypass all security checks! This vulnerability could lead to a complete system reload or potentially allow unauthorized code execution, opening the door for mischief that could disrupt your network services. A savvy attacker could exploit this to manipulate router behavior, leading to downtime or worse. 🚨

Put simply

Think of it like a delivery person who can enter your office without a key — they just need to know how to tell the receptionist to let them in. If the command is right, they bypass all security checks! This vulnerability in the Transaction Language 1 (TL1) code of Cisco ASR 900 routers allows an unauthenticated remote attacker to gain control over the router, affecting versions running specific Cisco IOS XE Software releases.

What to do

This vulnerability could lead to a complete system reload or potentially allow unauthorized code execution, opening the door for mischief that could disrupt your network services. A savvy attacker could exploit this to manipulate router behavior, leading to downtime or worse. 🚨 To mitigate this, update your Cisco ASR 900 router to one of the fixed releases: 15.6(1)S2.12, 15.6(1.17)S0.41, or the later versions. Always review your router’s configuration and ensure best practices for securing command access are in place. 🛡️ You've got this! Stay proactive and get those routers updated to fend off trouble! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04899 · 92.1th percentile
Published
2016-11-03T21:00Z
EPSS history
Timeline
  • 03 NOV 21:00Z
    A vulnerability in the Transaction Language 1 (TL1) code of Cisco ASR 900 Series routers could allow an unauthenticated, remote attacker to cause a reload of…
    cvelistv5