CVE-2016-6277KEV · OVERDUE

NETGEAR Multiple Routers Remote Code Execution Vulnerability

High · published December 14, 2016

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 100.0th percentile for exploit probability.

1506
days past CISA
deadline
CVSS v3.1
8.8
EPSS
100%
Percentile
100.0
In the wild
Confirmed
What it is

🚨 A sneaky flaw in NETGEAR routers makes it mind-blowingly easy for remote attackers to execute arbitrary commands! 🔥 Think of it like a restaurant's kitchen where a delivery person can simply walk in and start cooking without any checks — that’s how these attackers can manipulate your router! 🍽️ This vulnerability could lead to a complete system takeover, allowing attackers to snoop on your personal data, alter settings, and wreak havoc on your network. Imagine someone rummaging through your online life, changing passwords, or disabling network security — absolutely devastating!

Put simply

Think of it like a restaurant's kitchen where a delivery person can simply walk in and start cooking without any checks — that’s how these attackers can manipulate your router! 🍽️ The vulnerability arises from the way certain NETGEAR routers handle shell metacharacters in the path info sent to cgi-bin/, allowing attackers to inject arbitrary commands and gain unauthorized control.

What to do

This vulnerability could lead to a complete system takeover, allowing attackers to snoop on your personal data, alter settings, and wreak havoc on your network. Imagine someone rummaging through your online life, changing passwords, or disabling network security — absolutely devastating! Update your NETGEAR router firmware immediately to the latest versions: R6250 (1.0.4.6.Beta), R6400 (1.0.1.18.Beta), R6700 (1.0.1.14.Beta), R6900, R7000 (1.0.7.6.Beta), R7100LG (1.0.0.28.Beta), R7300DST (1.0.0.46.Beta), R7900 (1.0.1.8.Beta), R8000 (1.0.3.26.Beta), D6220, D6400, D7000, and possibly others. Don’t forget to change your default credentials if you haven’t already! You've got this! Follow these steps to secure your network like a pro! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.99803 · 100.0th percentile
Published
2016-12-14T16:00Z
KEV added
2022-03-07 · due 2022-09-07
EPSS history
Timeline
  • 07 MAR 00:00Z
    Added to CISA KEV — remediate by Sep 7
    kev
  • 14 DEC 16:00Z
    NETGEAR R6250 before 1.0.4.6.Beta, R6400 before 1.0.1.18.Beta, R6700 before 1.0.1.14.Beta, R6900, R7000 before 1.0.7.6.Beta, R7100LG before 1.0.0.28.Beta…
    cvelistv5