CVE-2019-19142

HIGHNVD 7.57.5—Elevated

7.5

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

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 94.2%
KEV: Not listed

Published

January 17, 2020

Last Modified

November 21, 2024

References (4)

cve@mitrehttp://packetstormsecurity.com/files/156589/Intelbras-Wireless-N-150Mbps-WRN240-Authentication-Bypass.html
cve@mitrehttps://fireshellsecurity.team/hack-n-routers/
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/156589/Intelbras-Wireless-N-150Mbps-WRN240-Authentication-Bypass.html
af854a3a-2127-422b-91ae-364da2661108https://fireshellsecurity.team/hack-n-routers/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-306Missing Authentication for Critical Function

Data Freshness Timeline

(refreshed 10× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 08:57 UTCEG score recompute
2026-05-27 08:57 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-48158
First seen Mar 2, 2020
Intelbras Wireless N 150Mbps WRN240 - Authentication Bypass (Config Upload)
Open source ↗

Frequently asked(5)

What is CVE-2019-19142?

CVE-2019-19142 is a high vulnerability published on January 17, 2020. Intelbras WRN240 devices do not require authentication to replace the firmware via a POST request to the incoming/Firmware.cfg URI.

When was CVE-2019-19142 disclosed?

CVE-2019-19142 was first published in the National Vulnerability Database on January 17, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-19142 actively exploited?

CVE-2019-19142 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-19142?

CVE-2019-19142 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2019-19142?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-19142, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2019-19142

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-19142?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)