The UPnP IGD implementation in the Pseudo ICS UPnP software on the ZyXEL P-330W allows…
Priority LOW 36CWE-16Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The UPnP IGD implementation in the Pseudo ICS UPnP software on the ZyXEL P-330W allows remote attackers to establish arbitrary port mappings by sending a UPnP AddPortMapping action in a SOAP request to the WAN interface, related to an "external forwarding" vulnerability.
Why it matters now
EPSS 0.01428 73rd 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:genmei_mori:pseudoics:0.1:*:*:*:*:*:*:* | 0.1 | Vulnerable | Genmei Mori |
| cpe:2.3:a:genmei_mori:pseudoics:0.2:*:*:*:*:*:*:* | 0.2 | Vulnerable | Genmei Mori |
| cpe:2.3:a:genmei_mori:pseudoics:0.3:*:*:*:*:*:*:* | 0.3 | Vulnerable | Genmei Mori |
| cpe:2.3:h:zyxel:p-330w_router:*:*:*:*:*:*:*:* | all versions | Vulnerable | Zyxel |
- cpe:2.3:a:genmei_mori:pseudoics:0.1:*:*:*:*:*:*:* Versions 0.1 Vulnerable ·Genmei Mori
- cpe:2.3:a:genmei_mori:pseudoics:0.2:*:*:*:*:*:*:* Versions 0.2 Vulnerable ·Genmei Mori
- cpe:2.3:a:genmei_mori:pseudoics:0.3:*:*:*:*:*:*:* Versions 0.3 Vulnerable ·Genmei Mori
- cpe:2.3:h:zyxel:p-330w_router:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Zyxel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-4504
- 2026-10-03 Alias added: GHSA-jh63-w8jj-x72f
References
Advisory 1
Sources
- CVE-2011-4504 · CVE Program
- CVE-2011-4504 · NVD
- FIRST EPSS
- GHSA-jh63-w8jj-x72f · 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