CVE-2026-8047
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) | 3.5.21.0 < 3.5.22.20 | affected |
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL | 3.5.21.0 < 3.5.22.20 | affected |
| CODESYS | CODESYS Control Win (SL) | 3.5.21.0 < 3.5.22.20 | affected |
| CODESYS | CODESYS HMI (SL) | 3.5.21.0 < 3.5.22.20 | affected |
| CODESYS | CODESYS Runtime Toolkit | 3.5.21.0 < 3.5.22.20 | affected |
| CODESYS | CODESYS Control for BeagleBone SL | 4.15.0.0 < 4.21.0.0 | affected |
| CODESYS | CODESYS Control for emPC-A/iMX6 SL | 4.15.0.0 < 4.21.0.0 | affected |
| CODESYS | CODESYS Control for IOT2000 SL | 4.15.0.0 < 4.21.0.0 | affected |
| CODESYS | CODESYS Control for Linux ARM SL | 4.15.0.0 < 4.21.0.0 | affected |
| CODESYS | CODESYS Control for Linux SL | 4.15.0.0 < 4.21.0.0 | affected |
| CODESYS | CODESYS Control for PFC100 SL | 4.15.0.0 < 4.21.0.0 | affected |
| CODESYS | CODESYS Control for PFC200 SL | 4.15.0.0 < 4.21.0.0 | affected |
| CODESYS | CODESYS Control for PLCnext SL | 4.15.0.0 < 4.21.0.0 | affected |
| CODESYS | CODESYS Control for Raspberry Pi SL | 4.15.0.0 < 4.21.0.0 | affected |
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL | 0.0.0 < 4.21.0.0 | affected |
| CODESYS | CODESYS Virtual Control SL | 4.15.0.0 < 4.21.0.0 | affected |
Weaknesses
- CWE-1284: CWE-1284 Improper Validation of Specified Quantity in Input
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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