VulnerabilityModified
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.
CRITICAL 9.1EPSS 2.92%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.92%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 9.1 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 2.92% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-306, CWE-862
- Affected
- dasannetworks/h660rm firmware
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardcoded-Key.htmlThird Party Advisory, VDB Entry
- 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/Exploit, Third Party Advisory
- https://seclists.org/bugtraq/2019/Mar/41Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardcoded-Key.htmlThird Party Advisory, VDB Entry
- 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/Exploit, Third Party Advisory
- https://seclists.org/bugtraq/2019/Mar/41Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.