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CVE-2017-18370

52
FAUCET Score

CVE-2017-18370 is a command injection vulnerability in the ZyXEL P660HN-T1A v2 TCLinux Fw #7.3.37.6 router, specifically within the Remote System Log forwarding function on the logSet.asp page, exploitable via the ServerIP parameter. This vulnerability, affecting ZyXEL and billion products, requires prior authentication, which can be achieved by exploiting CVE-2017-18371. With a CVSS score of 8.8 (HIGH), it allows an authenticated attacker to execute arbitrary commands, leading to high impact on confidentiality, integrity, and availability. While not actively exploited in the wild (no KEV entry), a Metasploit module exists, indicating readily available exploit code, though there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.3.8.0CPE matchmatch criteria
cpe:2.3:o:billion:5200w-t_firmware:7.3.8.0:*:*:*:*:*:*:*
7.3.37.6CPE matchmatch criteria
cpe:2.3:o:zyxel:p660hn-t1a_v2_firmware:7.3.37.6:*:*:*:*:*:*:*
7.3.37.6CPE matchmatch criteria
cpe:2.3:o:zyxel:p660hn-t1a_v1_firmware:7.3.37.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
22.91%
Probability of exploitation in next 30 days
EPSS Percentile
97.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: TrueOnline / ZyXEL P660HN-T v2 Router Authenticated Command Injection · Dec 26, 2016
This CVE's current EPSS score of 0.2291 is in the 97th percentile among its peer group of 17,808 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

raw.githubusercontent.com / pedrib/PoC/master/advisories/zyxel_trueonline.txt
ExploitThird Party Advisory
seclists.org / fulldisclosure/2017/Jan/40
ExploitMailing ListThird Party Advisory
ssd-disclosure.com / index.php/archives/2910
ExploitTechnical DescriptionThird Party Advisory
unit42.paloaltonetworks.com / new-mirai-variant-targets-enterprise-wireless-presentation-display-systems
Technical DescriptionThird Party Advisory
zyxel.com / support/announcement_unauthenticated.shtml
Broken Link