OMRON CX-Programmer Out-of-bounds Write
Priority MEDIUM 44CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
OMRON CX-Programmer 9.78 and prior is vulnerable to an Out-of-Bounds Write, which may allow an attacker to execute arbitrary code.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0072 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| OMRON Corporation | CX-Programmer | up to 9.78 | — | No fix listed | CNA |
- CX-Programmer VendorOMRON Corporation Affected up to 9.78 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:omron:cx-programmer:*:*:*:*:*:*:*:* | up to 9.78 | Vulnerable | OMRON Corporation |
- cpe:2.3:a:omron:cx-programmer:*:*:*:*:*:*:*:* Versions up to 9.78 Vulnerable ·OMRON Corporation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-3396
- 2026-10-03 Alias added: GHSA-377q-747p-vcr7
- 2026-10-04 EPSS moved to the 50th–90th percentile
References
More OMRON Corporation Cx-programmer vulnerabilities
- TI-2015-00900 Omron CX-One CX-Programmer before 9.6, CJ2M PLC devices before 2.1, and CJ2H PLC devices… CVSS 3.1CRITICAL 10.0
- TI-2022-03141 OMRON CX-Programmer Out-of-bounds Write CVSS 3.1CRITICAL 9.8
- TI-2022-03140 OMRON CX-Programmer Out-of-bounds Write CVSS 3.1CRITICAL 9.8
- TI-2018-13457 Stack-based buffer overflow in CX-One CVSS 3.1HIGH 7.8
- TI-2022-05530 Out-of-bounds write in OMRON Corporation CX-Programmer CVSS 3.1HIGH 7.8
- TI-2018-13453 Use after free in CX-One CVSS 3.0HIGH 7.8
Sources
- CVE-2022-3396 · CVE Program
- CVE-2022-3396 · NVD
- FIRST EPSS
- GHSA-377q-747p-vcr7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences