fastping.c in MRLG (aka Multi-Router Looking Glass) before 5.5.0 allows remote attackers…
Priority CRITICAL 100Exploited in the wildCWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
fastping.c in MRLG (aka Multi-Router Looking Glass) before 5.5.0 allows remote attackers to cause an arbitrary memory write and memory corruption.
Why it matters now
Exploitation Active In CISA KEV since 2025-07-07CISA due date 2025-07-28
EPSS 0.28978 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:multi-router_looking_glass_project:multi-router_looking_glass:*:*:*:*:*:*:*:* | up to 5.4.1 | Vulnerable | Multi-router Looking Glass Project |
- cpe:2.3:a:multi-router_looking_glass_project:multi-router_looking_glass:*:*:*:*:*:*:*:* Versions up to 5.4.1 Vulnerable ·Multi-router Looking Glass Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2025-07-07 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2014-3931
- 2026-10-03 Alias added: GHSA-vwmm-77c8-pxrj
References
More Looking Glass vulnerabilities
- TI-2005-02638 Looking Glass 20040427 allows remote attackers to execute arbitrary commands via shell… CVSS 2.0HIGH 7.5
- TI-2005-02637 Multiple cross-site scripting (XSS) vulnerabilities in Looking Glass 20040427 allow… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2014-3931 · CVE Program
- CVE-2014-3931 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-vwmm-77c8-pxrj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences