The server in npupnp before 4.1.4 is affected by DNS rebinding in the embedded web server…
Priority MEDIUM 40CWE-346Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- 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-346.
Summary
The server in npupnp before 4.1.4 is affected by DNS rebinding in the embedded web server (including UPnP SOAP and GENA endpoints), leading to remote code execution.
Why it matters now
EPSS 0.00956 61st 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
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:npupnp_project:npupnp:*:*:*:*:*:*:*:* | before 4.1.4 | Vulnerable | Npupnp Project |
- cpe:2.3:a:npupnp_project:npupnp:*:*:*:*:*:*:*:* Versions before 4.1.4 Vulnerable ·Npupnp Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31718
- 2026-10-03 Alias added: GHSA-8jpp-c53f-gvrm
References
Sources
- CVE-2021-31718 · CVE Program
- CVE-2021-31718 · NVD
- FIRST EPSS
- GHSA-8jpp-c53f-gvrm · 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