CVE-2025-68615
Buffer Overflow in net-snmp snmptrapd Causes Daemon Crash
Publication date: 2025-12-23
Last updated on: 2026-02-19
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| net-snmp | net-snmp | to 5.9.5 (exc) |
| net-snmp | net-snmp | 5.10 |
| debian | debian_linux | 11.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2025-68615 is a critical vulnerability in the Net-SNMP snmptrapd daemon where a specially crafted network packet can cause a buffer overflow, leading the daemon to crash. This flaw affects all versions prior to 5.9.5 and 5.10.pre2 and allows remote attackers to exploit the service without any privileges or user interaction. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by identifying if your system is running a vulnerable version of the net-snmp snmptrapd daemon prior to versions 5.9.5 and 5.10.pre2. You can check the version of snmptrapd installed on your system using commands like 'snmptrapd -v' or 'snmptrapd --version'. Additionally, monitoring for crashes or abnormal behavior of the snmptrapd daemon may indicate exploitation attempts. Since the vulnerability is triggered by specially crafted network packets, network intrusion detection systems (IDS) or packet capture tools can be used to monitor SNMP traffic on the relevant ports (usually UDP 162) for suspicious packets. However, no specific detection commands or signatures are provided in the resources. The primary recommendation is to upgrade to a patched version and ensure SNMP ports are firewalled and not exposed to public networks. [1]
How can this vulnerability impact me? :
This vulnerability can cause high confidentiality, integrity, and availability losses. An attacker can remotely crash the snmptrapd daemon, potentially disrupting services, and may gain unauthorized access or modify data, leading to significant security risks. [1]
What immediate steps should I take to mitigate this vulnerability?
The immediate steps to mitigate this vulnerability are to upgrade Net-SNMP to versions 5.9.5 or 5.10.pre2. Additionally, ensure that SNMP ports are not exposed to public networks and are properly firewalled, as no other mitigations exist. [1]
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
This vulnerability can impact compliance with standards such as GDPR and HIPAA because it allows unauthorized attackers to potentially access, modify, or disrupt data and services, leading to high confidentiality, integrity, and availability losses. Such impacts can result in violations of data protection and security requirements mandated by these regulations. [1]