Dbit WIFI4 N300 stack-based buffer overflow in /api/addStaticDHCP comment field
Key facts
- Attack vector
- Local
- Privileges required
- High
- 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-121 and the CVSS impact.
Summary
Dbit WIFI4 N300 1.0.0 devices contain a stack-based buffer overflow in the comment field of the /api/addStaticDHCP endpoint, classified as CWE-121. An administrator on the local Wi-Fi network can run OS commands through it. The attacker needs high privileges and local access. CISA's SSVC assessment rates exploitation as proof-of-concept.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Dbit WIFI4 N300 1.0.0 devices allows administrators (from the local Wi-Fi network) to execute OS commands by leveraging a stack-based buffer overflow via the /api/addStaticDHCP comment field,
Why it matters now
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 is listed for Dbit WIFI4 N300.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-06 Threatist record created from CVE-2025-71384
- 2026-10-06 Alias added: GHSA-vgfm-pm37-pc7h
- 2026-10-07 CVSS score added · CISA ADP
- 2026-10-07 Weakness changed · CISA ADP
- 2026-10-07 CISA SSVC decision points changed
- 2026-10-07 Priority changed: LOW → HIGH
References
Sources
- CVE-2025-71384 · CVE Program
- CVE-2025-71384 · NVD
- FIRST EPSS
- GHSA-vgfm-pm37-pc7h · GitHub Advisory Database · CC BY 4.0
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