CVE-2016-8352

An issue was discovered in Schneider Electric ConneXium firewalls TCSEFEC23F3F20 all versions, TCSEFEC23F3F21 all versions, TCSEFEC23FCF20 all versions…

published February 13, 2017

CVSS
—
EPSS
4%
Percentile
90.8
In the wild
Unconfirmed
What it is

🚨 A stack-based buffer overflow lurks in Schneider Electric ConneXium firewalls during SNMP login, potentially allowing a remote attacker to execute code! 🔥 Think of this vulnerability like a hotel that allows guests to check into rooms without proper scrutiny—if someone sneaks in and takes over a room, they could wreak havoc without anyone noticing! An attacker could exploit this vulnerability to execute malicious code remotely, which could lead to unauthorized access and manipulation of the firewall's functions. This could compromise entire networks protected by these devices, making it downright nerve-wracking for organizations relying on them.

Put simply

Think of this vulnerability like a hotel that allows guests to check into rooms without proper scrutiny—if someone sneaks in and takes over a room, they could wreak havoc without anyone noticing! The vulnerability arises during the SNMP login authentication process, where a stack-based buffer overflow occurs, allowing an attacker to send more data than the buffer can handle, leading to potential code execution.

What to do

An attacker could exploit this vulnerability to execute malicious code remotely, which could lead to unauthorized access and manipulation of the firewall's functions. This could compromise entire networks protected by these devices, making it downright nerve-wracking for organizations relying on them. Immediately assess if your systems are using affected Schneider Electric ConneXium firewalls (TCSEFEC23F3F20, TCSEFEC23F3F21, TCSEFEC23FCF20, TCSEFEC23FCF21, TCSEFEC2CF3F20). If they are, consider implementing network segmentation and monitoring to limit exposure while checking for vendor patches or mitigations. You've got this! Stay vigilant and proactive, and you'll keep your network secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04161 · 90.8th percentile
Published
2017-02-13T21:00Z
EPSS history
Timeline
  • 13 FEB 21:00Z
    An issue was discovered in Schneider Electric ConneXium firewalls TCSEFEC23F3F20 all versions, TCSEFEC23F3F21 all versions, TCSEFEC23FCF20 all versions…
    cvelistv5