Unauthenticated Remote Code Execution via Code Injection in Klemsan's KIO
Priority MEDIUM 50CWE-94Published · 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
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-94.
Summary
Improper Control of Generation of Code ('Code Injection') vulnerability in Klemsan Electrical Electronics Inc. KIO (Klemsan Internet Objects) allows Code Injection. This issue affects KIO (Klemsan Internet Objects): before v1.9.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00564 47th percentileScored 2026-11-07
Fix Fixed KIO (Klemsan Internet Objects) (Klemsan Electrical Electronics Inc.): v1.9
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| Klemsan Electrical Electronics Inc. | KIO (Klemsan Internet Objects) | before v1.9 | v1.9 | Patch available | CNA |
- KIO (Klemsan Internet Objects) VendorKlemsan Electrical Electronics Inc. Affected before v1.9 Fixed in v1.9 Patch available CNA
Remediation
- Fix · CNA KIO (Klemsan Internet Objects) (Klemsan Electrical Electronics Inc.) Fixed in v1.9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-18808
- 2026-10-03 Alias added: GHSA-25fc-9x7f-8x83
References
Sources
- CVE-2026-18808 · CVE Program
- CVE-2026-18808 · NVD
- FIRST EPSS
- GHSA-25fc-9x7f-8x83 · 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