CVE-2025-68615
CVE-2025-68615 is a critical-severity vulnerability in Net-snmp with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 43% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 43% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-204779
- Weakness: CWE-119
- Affected product: Net-snmp
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2025-68615?
- CVE-2025-68615 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-68615 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-68615?
- CVE-2025-68615 primarily affects Net-snmp. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-68615?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-68615 have an EU (EUVD) identifier?
- Yes. CVE-2025-68615 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204779.
- When was CVE-2025-68615 published?
- CVE-2025-68615 was published on 2025-12-23 and last updated on 2026-06-17.
References
- https://github.com/net-snmp/net-snmp/security/advisories/GHSA-4389-rwqf-q9gq
- http://www.openwall.com/lists/oss-security/2026/01/09/2
- https://lists.debian.org/debian-lts-announce/2026/01/msg00000.html
- https://www.vicarius.io/vsociety/posts/cve-2025-68615-detection-script-buffer-overflow-vulnerability-affecting-net-snmp
- https://www.vicarius.io/vsociety/posts/cve-2025-68615-mitigation-script-buffer-overflow-vulnerability-affecting-net-snmp
Affected products (3)
- cpe:2.3:a:net-snmp:net-snmp:*:*:*:*:*:*:*:*
- cpe:2.3:a:net-snmp:net-snmp:5.10:pre1:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
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