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Vulnerability record · CVE-2019-19996 · published 26 December 2019

CVE-2019-19996: Intelbras iwr 3000n firmware vulnerability

Intelbras · Iwr 3000n Firmware

An issue was discovered on Intelbras IWR 3000N 1.8.7 devices. A malformed login request allows remote attackers to cause a denial of service (reboot), as demonstrated by JSON misparsing of the \""} string to v1/system/login.

7.5 CVSS 3.1 High EPSS 1.5% · top 26.8%
7.5CVSS 3.1 base score, v2 7.8
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An issue was discovered on Intelbras IWR 3000N 1.8.7 devices. A malformed login request allows remote attackers to cause a denial of service (reboot), as demonstrated by JSON misparsing of the \""} string to v1/system/login.

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

Affected products

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

References

LinkTags
https://medium.com/%40rsantos_14778/dos-cve-2019-19996-5ad1be772179
https://medium.com/%40rsantos_14778/dos-cve-2019-19996-5ad1be772179

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Related vulnerabilities

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

8.8CVE-2019-20004Intelbras iwr 3000n firmware weak password recovery vulnerabilityAn issue was discovered on Intelbras IWR 3000N 1.8.7 devices. When the administrator password is changed from a certain client IP address, administra…EPSS 1.2%8.8CVE-2019-19995Intelbras iwr 3000n firmware cross-site request forgery vulnerabilityA CSRF issue was discovered on Intelbras IWR 3000N 1.8.7 devices, leading to complete control of the router, as demonstrated by v1/system/user.EPSS 0.66%8.8CVE-2019-11414Intelbras iwr 3000n firmware weak password recovery vulnerabilityAn issue was discovered on Intelbras IWR 3000N 1.5.0 devices. When the administrator password is changed from a certain client IP address, administra…EPSS 1.3%8.8CVE-2019-11416Intelbras iwr 3000n firmware cross-site request forgery vulnerabilityA CSRF issue was discovered on Intelbras IWR 3000N 1.5.0 devices, leading to complete control of the router, as demonstrated by v1/system/user.EPSS 3.9%8.4CVE-2025-55976Intelbras iwr 3000n firmware information exposure vulnerabilityIntelbras IWR 3000N 1.9.8 exposes the Wi-Fi password in plaintext via the /api/wireless endpoint. Any unauthenticated user on the local network can d…EPSS 3.2%7.5CVE-2019-11415Intelbras iwr 3000n firmware vulnerabilityAn issue was discovered on Intelbras IWR 3000N 1.5.0 devices. A malformed login request allows remote attackers to cause a denial of service (reboot)…EPSS 14%7.2CVE-2019-19007Intelbras iwr 3000n firmware information exposure vulnerabilityIntelbras IWR 3000N 1.8.7 devices allow disclosure of the administrator login name and password because v1/system/user is mishandled, a related issue…EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2019-19996), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.