CVE-2011-4720
Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash...
Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.
Exploit likelihood
What each source reports
NVD Score used
5.0
Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.
- Record
CVE-2011-4720- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.
- Record
CVE-2011-4720- Updated
- 2026-11-02
EUVDEUVD-2011-4638 No score
Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.
- Record
EUVD-2011-4638- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mxgw-3vjq-gxmm No score
Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash...
Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.
- Record
GHSA-mxgw-3vjq-gxmm- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Hillstone Software HS TFTP Server 1.3.2 - Denial of Service | 2011-12-02 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4720 is a medium vulnerability (CVSS 5.0) in Hillstone Software Hs Tftp Server, published December 28, 2014. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.68%, the 85th percentile. No source names a fixed version.