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Vulnerability record · CVE-2019-19142 · published 17 January 2020

CVE-2019-19142: Intelbras wrn 240 firmware missing authentication for critical function vulnerability

Intelbras · Wrn 240 Firmware

Intelbras WRN240 devices do not require authentication to replace the firmware via a POST request to the incoming/Firmware.cfg URI.

7.5 CVSS 3.1 High EPSS 7.8% · top 5.5% CWE-306 · Missing authentication for critical function
7.5CVSS 3.1 base score, v2 5.0
7.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

Intelbras WRN240 devices do not require authentication to replace the firmware via a POST request to the incoming/Firmware.cfg URI.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/156589/Intelbras-Wireless-N-150Mbps-WRN240-Authentication-Bypass.html ExploitThird Party AdvisoryVDB Entry
https://fireshellsecurity.team/hack-n-routers/ ExploitThird Party Advisory
http://packetstormsecurity.com/files/156589/Intelbras-Wireless-N-150Mbps-WRN240-Authentication-Bypass.html ExploitThird Party AdvisoryVDB Entry
https://fireshellsecurity.team/hack-n-routers/ ExploitThird Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2019-19142), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.