CVE-2025-68615
Unknown Unknown - Not Provided
Buffer Overflow in net-snmp snmptrapd Causes Daemon Crash

Publication date: 2025-12-23

Last updated on: 2026-02-19

Assigner: GitHub, Inc.

Description
net-snmp is a SNMP application library, tools and daemon. Prior to versions 5.9.5 and 5.10.pre2, a specially crafted packet to an net-snmp snmptrapd daemon can cause a buffer overflow and the daemon to crash. This issue has been patched in versions 5.9.5 and 5.10.pre2.
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Meta Information
Published
2025-12-23
Last Modified
2026-02-19
Generated
2026-06-16
AI Q&A
2025-12-23
EPSS Evaluated
2026-06-15
NVD
CVE-2025-68615
Affected Vendors & Products
Showing 3 associated CPEs
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
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KEV
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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.
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Executive Summary

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]

Impact Analysis

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]

Mitigation Strategies

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]

Compliance Impact

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]

Detection Guidance

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]

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