Vulnerability record · CVE-2018-19239 · published 20 December 2018

CVE-2018-19239: Trendnet tew-673gru firmware os command injection vulnerability

Trendnet · Tew 673gru Firmware

TRENDnet TEW-673GRU v1.00b40 devices have an OS command injection vulnerability in the start_arpping function of the timer binary, which allows remote attackers to execute arbitrary commands via three parameters (dhcpd_start, dhcpd_end, and lan_ipaddr) passed to the apply.cgi binary through a POST request.

7.2 CVSS 3.0 High EPSS 5.1% · top 7.9% CWE-78 · OS command injection

7.2CVSS 3.0 base score, v2 9.0

5.1%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

4References

17 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Tew 673gru Firmware Trendnet

References

Link	Tags
http://packetstormsecurity.com/files/150693/TRENDnet-Command-Injection-Buffer-Overflow-Cross-Site-Scripting.html	Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Dec/21	Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/150693/TRENDnet-Command-Injection-Buffer-Overflow-Cross-Site-Scripting.html	Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2018/Dec/21	Mailing ListThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-19239), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.