Auth bypass in Dasannetworks H660rm
CVE-2019-9974
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.
Vulnerability class: Broken Authentication
EPSS: 0.029 (85.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Dasannetworks H660rm
- Dasannetworks H660rm_firmware — versions 1.03-0022
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-9974?
- CVE-2019-9974 is a critical-severity vulnerability in Dasannetworks H660rm, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2019-04-11.
- How severe is CVE-2019-9974?
- Critical severity. CVSS v3 base score is 9.1 out of 10.