Out-of-bounds write in OMRON Corporation CX-Programmer
Priority LOW 36CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Out-of-bounds write vulnerability exists in CX-Programmer v.9.77 and earlier, which may lead to information disclosure and/or arbitrary code execution by having a user to open a specially crafted CXP file.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00254 17th 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 | v.9.77 and earlier | — | No fix listed | CNA |
- CX-Programmer VendorOMRON Corporation Affected v.9.77 and earlier Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:omron:cx-programmer:*:*:*:*:*:*:*:* | up to 9.77 | Vulnerable | OMRON Corporation |
- cpe:2.3:a:omron:cx-programmer:*:*:*:*:*:*:*:* Versions up to 9.77 Vulnerable ·OMRON Corporation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-43509
- 2026-10-03 Alias added: GHSA-3c7v-3xg2-5hhf
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-2022-03139 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
Sources
- CVE-2022-43509 · CVE Program
- CVE-2022-43509 · NVD
- FIRST EPSS
- GHSA-3c7v-3xg2-5hhf · GitHub Advisory Database · CC BY 4.0
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