Memory write mechanism in NCR S1 Dispenser controller before firmware version 0x0156…
Priority LOW 35CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-863.
Summary
Memory write mechanism in NCR S1 Dispenser controller before firmware version 0x0156 allows an unauthenticated user to upgrade or downgrade the firmware of the device, including to older versions with known vulnerabilities.
Why it matters now
EPSS 0.01145 66th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-17668
- 2026-10-03 Alias added: GHSA-xrvg-vg5w-7ch7
References
Sources
- CVE-2017-17668 · CVE Program
- CVE-2017-17668 · NVD
- FIRST EPSS
- GHSA-xrvg-vg5w-7ch7 · 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