The web-server component in MNS before 4.5.6 on Belden GarrettCom Magnum 6K and Magnum 10K switches allows remote authenticated users to cause a denial of service (memory corruption and reboot) via a crafted URL.
Conclusion & alert: CVE-2015-3961 is rated Low Risk (37.7/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.26%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.58% | 1.26% | +0.68% |
| 2 | 2025-11-10 | 0.92% | 0.58% | -0.34% |
| 3 | 2025-03-30 | — | 0.92% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| garrettcom | magnum_10k_firmware | <= 4.5.5 | cpe:2.3:o:garrettcom:magnum_10k_firmware:*:*:*:*:*:*:*:* |
| garrettcom | magnum_6k_firmware | <= 4.5.5 | cpe:2.3:o:garrettcom:magnum_6k_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.garrettcom.com/techsupport/MNS6K_R456_Release_Notes.pdf | Vendor Advisory |
| http://www.securityfocus.com/bid/75228 | |
| https://ics-cert.us-cert.gov/advisories/ICSA-15-167-01 | Third Party Advisory US Government Resource |