CVE-2019-9974
9.1
CRITICAL · CVSS 3.0 · EPSS 2.9% (pctl 87)
In your normal cycle
Critical by CVSS (9.1), but no sign of active exploitation.
Description
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.
Scoring
| CVSS | 9.1 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| EPSS | 2.92% — more likely to be exploited than 87% of all CVEs |
| Weakness | CWE-306 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2019-04-11 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| dasannetworks | h660rm |
| dasannetworks | h660rm firmware |
References
- http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardcoded-Key.html
- https://blog.burghardt.pl/2019/03/diag_tool-cgi-on-dasan-h660rm-devices-with-firmware-1-03-0022-allows-spawning-ping-processes-without-any-authorization-leading-to-information-disclosure-and-dos-attacks/
- https://seclists.org/bugtraq/2019/Mar/41
- http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardcoded-Key.html
- https://blog.burghardt.pl/2019/03/diag_tool-cgi-on-dasan-h660rm-devices-with-firmware-1-03-0022-allows-spawning-ping-processes-without-any-authorization-leading-to-information-disclosure-and-dos-attacks/
- https://seclists.org/bugtraq/2019/Mar/41
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