July 7, 2025 · Applied Cybernetics Group
CVE-2014-3931 — Looking Glass Multi-Router Looking Glass (MRLG)
Multi-Router Looking Glass (MRLG) Buffer Overflow Vulnerability
- Added to KEV
2025-07-07- Federal due date
2025-07-28- Vendor
- Looking Glass
- Product
- Multi-Router Looking Glass (MRLG)
- EPSS
- 98.1th percentile (score 0.290, as of
2026-09-16) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2014-3931
CISA short description
Multi-Router Looking Glass (MRLG) contains a buffer overflow vulnerability that could allow remote attackers to cause an arbitrary memory write and memory corruption.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.