CVE-2019-9974 — CRITICAL (9.1)

Vulnerability 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.

CVSS Score

9.1

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dasannetworks	H660Rm Firmware	1.03-0022
Dasannetworks	H660Rm	-

Related Weaknesses (CWE)

CWE-306 CWE-862

References

http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Third Party AdvisoryVDB Entry
https://blog.burghardt.pl/2019/03/diag_tool-cgi-on-dasan-h660rm-devices-with-firExploitThird Party Advisory
https://seclists.org/bugtraq/2019/Mar/41Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Third Party AdvisoryVDB Entry
https://blog.burghardt.pl/2019/03/diag_tool-cgi-on-dasan-h660rm-devices-with-firExploitThird Party Advisory
https://seclists.org/bugtraq/2019/Mar/41Mailing ListThird Party Advisory

FAQ

What is CVE-2019-9974?

CVE-2019-9974 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 cras...

How severe is CVE-2019-9974?

CVE-2019-9974 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-9974?

Check the references section above for vendor advisories and patch information. Affected products include: Dasannetworks H660Rm Firmware, Dasannetworks H660Rm.