Buffer overflow in Net-Snmp
CVE-2025-68615
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.424 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.428 · newest: 0.424 · change: -0.005
Affected products
- Net-Snmp — versions 5.10, >= 5.10.pre1, < 5.10.pre2, < 5.9.5
- Debian Linux — versions 11.0
Weakness classification (CWE)
References
- github.com/net-snmp/net-snmp/security/advisories/GHSA-4389-rwqf-q9gq (Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Exploit, Mitigation, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mitigation, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-68615?
- CVE-2025-68615 is a critical-severity vulnerability in Net-Snmp, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-12-23.
- How severe is CVE-2025-68615?
- Critical severity. CVSS v3 base score is 9.8 out of 10.