diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any…
Priority MEDIUM 45CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any authorization check, which allows remote attackers to run a ping command via a GET request to enumerate LAN devices or crash the router with a DoS attack.
Why it matters now
EPSS 0.02924 87th 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:h660rm_firmware:1.03-0022:*:*:*:*:*:*:* | 1.03-0022 | Vulnerable | Dasan Networks |
| cpe:2.3:h:dasannetworks:h660rm:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dasan Networks |
- cpe:2.3:o:dasannetworks:h660rm_firmware:1.03-0022:*:*:*:*:*:*:* Versions 1.03-0022 Vulnerable ·Dasan Networks
- cpe:2.3:h:dasannetworks:h660rm:-:*:*:*:*:*:*:* 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-2019-9974
- 2026-10-03 Alias added: GHSA-4qc2-r4q6-vfxr
References
More Dasan Networks H660rm Firmware vulnerabilities
- TI-2019-07341 The Boa server configuration on DASAN H660RM devices with firmware 1.03-0022 logs POST… CVSS 3.0HIGH 8.8
- TI-2019-07340 DASAN H660RM devices with firmware 1.03-0022 use a hard-coded key for logs encryption. CVSS 3.0HIGH 7.5
Sources
- CVE-2019-9974 · CVE Program
- CVE-2019-9974 · NVD
- FIRST EPSS
- GHSA-4qc2-r4q6-vfxr · 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