Critical 9.8Published Dec 22, 2025

CVE-2025-68615Net-SNMP snmptrapd crash

Updated under an hour ago (Oct 26, 2026, 7:50 PM ET)

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It affects net-snmp and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for net-snmp

Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Apr 30, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

net-snmp net-snmp net_snmp:net_snmp (from the name)	before 5.9.5; from 5.10.pre1, < 5.10.pre2	CNA record
net-snmp net-snmp net-snmp:net-snmp	before 5.9.5; 5.10	NVD
debian debian_linux debian:debian_linux	11.0	NVD

References

References

https://github.com/net-snmp/net-snmp/security/advisories/GHSA-4389-rwqf-q9gq	x-refsource-confirm, vendor-advisory
http://www.openwall.com/lists/oss-security/2026/01/09/2	mailing-list, third-party-advisory
https://lists.debian.org/debian-lts-announce/2026/01/msg00000.html	mailing-list, vendor-advisory
https://www.vicarius.io/vsociety/posts/cve-2025-68615-detection-script-buffer-overflow-vulnerability-affecting-net-snmp	exploit, mitigation, third-party-advisory
https://www.vicarius.io/vsociety/posts/cve-2025-68615-mitigation-script-buffer-overflow-vulnerability-affecting-net-snmp	mitigation, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.