CVE-2014-3931 — Multi-Router Looking Glass (MRLG) Buffer Overflow Vulnerability
CVE-2014-3931: Multi-Router Looking Glass (MRLG) Buffer Overflow Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Looking Glass |
| Product | Multi-Router Looking Glass (MRLG) |
| Date added | 2025-07-07 |
| Due date | 2025-07-28 |
| Ransomware campaign use | Unknown |
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 (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://mrlg.op-sec.us/ ; https://nvd.nist.gov/vuln/detail/CVE-2014-3931
Weakness behind it
CISA records this vulnerability as an instance of CWE-119. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2014-3931
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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