CVE-2025-68615CWE-119

CVE-2025-68615

Critical · published December 23, 2025

CVSS v3.1
9.8
EPSS
42%
Percentile
98.7
In the wild
Unconfirmed
What it is

🔥 A specially crafted packet can make the net-snmp daemon crash, turning your monitoring solution into a no-show! Think of it like a delivery truck overloaded with packages—it hits a bump and spills everything, leaving you without your vital shipments. This buffer overflow mishap has the potential to stop your SNMP monitoring dead in its tracks. If exploited, an attacker could bring down your net-snmp snmptrapd daemon, which means you’d lose monitoring capability and critical alerts about your network’s health. This could lead to undetected network issues and chaos in your operations, putting your entire infrastructure at risk!

Put simply

Think of it like a delivery truck overloaded with packages—it hits a bump and spills everything, leaving you without your vital shipments. This buffer overflow mishap has the potential to stop your SNMP monitoring dead in its tracks. This vulnerability allows for a buffer overflow through a specially crafted packet sent to the net-snmp snmptrapd daemon, which can cause the daemon to crash and potentially disrupt network monitoring services.

What to do

If exploited, an attacker could bring down your net-snmp snmptrapd daemon, which means you’d lose monitoring capability and critical alerts about your network’s health. This could lead to undetected network issues and chaos in your operations, putting your entire infrastructure at risk! Upgrade to net-snmp version 5.9.5 or later to patch this critical issue immediately. It's essential to review your network configurations and ensure that only trusted sources can send SNMP packets. Regularly audit your network for any abnormal traffic patterns as an extra precaution. You've got this! Follow these steps to keep your monitoring system robust and secure! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.42360 · 98.7th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2025-12-23T05:15Z
Affected products (3)
ProductVersionsFixed in
net-snmp/net-snmp< 5.9.55.9.5
net-snmp/net-snmpall versions—
debian/debian_linuxall versions—
References (5)
EPSS history
Timeline
  • 22 DEC 23:55Z
    Net-SNMP snmptrapd crash
    cvelistv5