CVE-2014-3931
Actively exploited. CVE-2014-3931 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-07-07) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Multi-Router Looking Glass (MRLG) contains a buffer overflow vulnerability that could allow remote attackers to cause an arbitrary memory write and memory corruption.
CSIRTS triage
- What
- Multi-Router Looking Glass (MRLG) contains a buffer overflow vulnerability that could allow remote attackers to cause arbitrary memory write and memory corruption.
- Who is affected
- Deployments of Multi-Router Looking Glass (MRLG) are at risk.
- Urgency
- Remediation is critical due to confirmed exploitation of this vulnerability.
- Action
- Apply the latest updates or patches to MRLG to resolve this issue.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 98% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2014-3931: Multi-Router Looking Glass (MRLG) Buffer Overflow Vulnerabilitycisa-kev · 2025-07-07
External references
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