Dlink Dir-3040us A1 1.20b03a hotfix is vulnerable to Buffer Overflow.
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Dlink Dir-3040us A1 1.20b03a hotfix is vulnerable to Buffer Overflow. Any user having read/write access to ftp server can write directly to ram causing buffer overflow if file or files uploaded are greater than available ram. Ftp server allows change of directory to root which is one level up than root of usb flash directory. During upload ram is getting filled and causing system resource exhaustion (no free memory) which causes system to crash and reboot.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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 names CISA-ADP · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dir-3040_firmware:1.20b03:*:*:*:*:*:*:* | 1.20b03 | — | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-3040_firmware:1.20b03:*:*:*:*:*:*:* Versions 1.20b03 — ·D-Link Japan K.K.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-27619
- 2026-10-03 Alias added: GHSA-3cp6-m65f-qhcw
References
Sources
- CVE-2024-27619 · CVE Program
- CVE-2024-27619 · NVD
- FIRST EPSS
- GHSA-3cp6-m65f-qhcw · GitHub Advisory Database · CC BY 4.0
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