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CVE-2014-3931: Multi-Router Looking Glass (MRLG) Buffer Overflow Vulnerability

criticalknown exploitedCVE-2014-3931
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation 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

vendor: Multi-Router Looking Glassproduct: Multi-Router Looking Glass (MRLG)Memory corruption
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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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-07-07
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2014-3931

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2014-3931coverage & exploitation statusNVD · CVE.org

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