A DNS client stack-based buffer overflow in ipdnsc_decode_name() affects Wind River…
Priority MEDIUM 46CWE-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
A DNS client stack-based buffer overflow in ipdnsc_decode_name() affects Wind River VxWorks 6.5 through 7. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Why it matters now
EPSS 0.01857 79th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:* | 6.5 – 7.0 | Vulnerable | Wind River |
| cpe:2.3:o:siemens:sgt-100_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sgt-100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:sgt-200_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sgt-200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:sgt-300_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sgt-300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:sgt-400_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sgt-400:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:sgt-a20_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
- cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:* Versions 6.5 – 7.0 Vulnerable ·Wind River
- cpe:2.3:o:siemens:sgt-100_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
- cpe:2.3:h:siemens:sgt-100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:sgt-200_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
- cpe:2.3:h:siemens:sgt-200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:sgt-300_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
- cpe:2.3:h:siemens:sgt-300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:sgt-400_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
- cpe:2.3:h:siemens:sgt-400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:sgt-a20_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:siemens:sgt-a20:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:sgt-a35_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sgt-a35:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:sgt-a65_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sgt-a65:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:h:siemens:sgt-a20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:sgt-a35_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
- cpe:2.3:h:siemens:sgt-a35:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:sgt-a65_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
- cpe:2.3:h:siemens:sgt-a65:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-20009
- 2026-10-03 Alias added: GHSA-347g-p4qh-9qw2
References
Sources
- CVE-2016-20009 · CVE Program
- CVE-2016-20009 · NVD
- FIRST EPSS
- GHSA-347g-p4qh-9qw2 · 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