Description
The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service via a system crash on the affected device.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
Source: the vendor's advisory (CNA). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| CODESYS | CODESYS Control RTE (SL) | >= 3.5.21.0, < 3.5.22.20 |
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL | >= 3.5.21.0, < 3.5.22.20 |
| CODESYS | CODESYS Control Win (SL) | >= 3.5.21.0, < 3.5.22.20 |
| CODESYS | CODESYS HMI (SL) | >= 3.5.21.0, < 3.5.22.20 |
| CODESYS | CODESYS Runtime Toolkit | >= 3.5.21.0, < 3.5.22.20 |
| CODESYS | CODESYS Control for BeagleBone SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for emPC-A/iMX6 SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for IOT2000 SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for Linux ARM SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for Linux SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for PFC100 SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for PFC200 SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for PLCnext SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for Raspberry Pi SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL | >= 0.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Virtual Control SL | >= 4.15.0.0, < 4.21.0.0 |
References
Timeline
- Published
- May 26, 2026
- Last modified
- Jul 23, 2026
- NVD status
- Awaiting Analysis