The Port Forwarding functionality on DASAN H660GW devices allows remote attackers to…
Priority LOW 38CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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 3.0 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
The Port Forwarding functionality on DASAN H660GW devices allows remote attackers to execute arbitrary code via shell metacharacters in the cgi-bin/adv_nat_virsvr.asp Addr parameter (aka the Local IP Address field).
Why it matters now
EPSS 0.03799 90th 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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dasannetworks:h660gw_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Dasan Networks |
| cpe:2.3:h:dasannetworks:h660gw:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dasan Networks |
- cpe:2.3:o:dasannetworks:h660gw_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Dasan Networks
- cpe:2.3:h:dasannetworks:h660gw:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dasan Networks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-17867
- 2026-10-03 Alias added: GHSA-qrf5-72j9-529v
- 2026-10-31 EPSS moved to the 90th–95th percentile
References
Sources
- CVE-2018-17867 · CVE Program
- CVE-2018-17867 · NVD
- FIRST EPSS
- GHSA-qrf5-72j9-529v · GitHub Advisory Database · CC BY 4.0
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