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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 90%
VendorProductVersion
dasannetworksh660rm_firmware
1.03-0022
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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