The MagicJack device, a VoIP solution for internet phone calls, contains a hidden NAND…
Priority MEDIUM 64CWE-863Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass, Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863 and CWE-269.
Summary
The MagicJack device, a VoIP solution for internet phone calls, contains a hidden NAND flash memory partition allowing unauthorized read/write access. Attackers can exploit this by replacing the original software with a malicious version, leading to ransomware deployment on the host computer. Affected devices have firmware versions prior to magicJack A921 USB Phone Jack Rev 3.0 V1.4.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00472 41st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-30024
- 2026-10-03 Alias added: GHSA-f842-4gqm-2cpg
References
Sources
- CVE-2023-30024 · CVE Program
- CVE-2023-30024 · NVD
- FIRST EPSS
- GHSA-f842-4gqm-2cpg · 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