CVE-2011-3486
Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via...
Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to UDP port 48899, which triggers an out-of-bounds read.
Exploit likelihood
What each source reports
NVD Score used
Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to UDP port 48899, which triggers an out-of-bounds read.
- Record
CVE-2011-3486- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to UDP port 48899, which triggers an out-of-bounds read.
- Record
CVE-2011-3486- Updated
- 2026-11-02
EUVDEUVD-2011-3449 No score
Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to UDP port 48899, which triggers an out-of-bounds read.
- Record
EUVD-2011-3449- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-74h6-2hgj-rvpx No score
Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via...
Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to UDP port 48899, which triggers an out-of-bounds read.
- Record
GHSA-74h6-2hgj-rvpx- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Beckhoff TwinCAT 2.11.0.2004 - Denial of Service | 2011-09-14 |
| Metasploit | Beckhoff TwinCAT SCADA PLC 2.11.0.2004 DoS | 2011-09-13 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-3486 is a medium vulnerability (CVSS 5.0) in Beckhoff Twincat, published September 16, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 49.6%, the 98th percentile. No source names a fixed version.