Vulnerability Monitor

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CVE-2017-18368

The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has a command injection vulnerability in the Remote System Log forwarding function, which is accessible by an unauthenticated user. The vulnerability is in the ViewLog.asp page and can be exploited through the remote_host parameter.

Published

2019-05-02T17:29:00.287

Last Modified

2025-11-05T19:23:50.730

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-78
Type: Secondary
CWE-78

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	billion	5200w-t_firmware	7.3.8.0	Yes
Hardware	billion	5200w-t	-	No
Operating System	zyxel	p660hn-t1a_v2_firmware	7.3.15.0	Yes
Hardware	zyxel	p660hn-t1a_v2	-	No
Operating System	zyxel	p660hn-t1a_v1_firmware	7.3.15.0	Yes
Hardware	zyxel	p660hn-t1a_v1	-	No

References

http://www.zyxel.com/support/announcement_unauthenticated.shtml Broken Link ([email protected])
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt Exploit, Third Party Advisory ([email protected])
https://seclists.org/fulldisclosure/2017/Jan/40 Exploit, Mailing List, Third Party Advisory ([email protected])
https://ssd-disclosure.com/index.php/archives/2910 Exploit, Technical Description, Third Party Advisory ([email protected])
https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/ Technical Description, Third Party Advisory ([email protected])
http://www.zyxel.com/support/announcement_unauthenticated.shtml Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/fulldisclosure/2017/Jan/40 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://ssd-disclosure.com/index.php/archives/2910 Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/ Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-18368 US Government Resource (134c704f-9b21-4f2e-91b3-4a467353bcc0)