← Vulnerability feed

Vulnerability record · CVE-2019-19143 · published 27 January 2020

CVE-2019-19143: Tp-link tl-wr849n firmware missing authentication for critical function vulnerability

Tp Link · Tl Wr849n Firmware

TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the firmware via a POST request to the cgi/softup URI.

6.1 CVSS 3.1 Medium EPSS 7.3% · top 5.8% CWE-306 · Missing authentication for critical function
6.1CVSS 3.1 base score, v2 4.1
7.3%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

TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the firmware via a POST request to the cgi/softup URI.

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/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/156586/TP-Link-TL-WR849N-0.9.1-4.16-Authentication-Bypass.html ExploitThird Party AdvisoryVDB Entry
https://fireshellsecurity.team/hack-n-routers/ ExploitThird Party Advisory
http://packetstormsecurity.com/files/156586/TP-Link-TL-WR849N-0.9.1-4.16-Authentication-Bypass.html ExploitThird Party AdvisoryVDB Entry
https://fireshellsecurity.team/hack-n-routers/ ExploitThird Party Advisory

Track CVE-2019-19143 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

9.8CVE-2020-9374Tp-link tl-wr849n firmware os command injection vulnerabilityOn TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker sends spe…EPSS 43%8.8CVE-2026-67277MikroTik RouterOS btest missing authentication leaks kernel memory and crashes kernelRouterOS accepts a "related" btest connection before the primary session is authenticated, letting an unauthenticated client start an IPv4 UDP test. …KEVEPSS 1.6%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed9.3CVE-2026-72529TrueConf Server missing authentication allows remote script executionTrueConf Server versions 5.3.X through 5.3.9, 5.4.X through 5.4.9, 5.5.X through 5.5.5, and earlier expose an undocumented function on port 4307/TCP …KEVEPSS 1.5%analysed9.8CVE-2026-46817Oracle E-Business Suite Payments missing authentication allows takeoverOracle Payments in Oracle E-Business Suite 12.2.3 through 12.2.15 contains an easily exploitable flaw in the File Transmission component. An unauthen…KEVEPSS 0.81%analysed9.8CVE-2026-56164Microsoft SharePoint Server missing authentication allows privilege elevationMicrosoft Office SharePoint Server contains a missing authentication flaw in a critical function (CWE-306), letting an unauthenticated attacker reach…KEVEPSS 1.0%analysed9.8CVE-2026-20253Splunk Enterprise PostgreSQL sidecar missing authentication allows file writesSplunk Enterprise 10.2 below 10.2.4 and 10.x below 10.0.7 expose a PostgreSQL sidecar service endpoint that lacks authentication controls. Any networ…KEVEPSS 97%analysed9.8CVE-2026-35273Oracle PeopleSoft PeopleTools missing authentication allows takeoverOracle PeopleSoft Enterprise PeopleTools (Updates Environment Management component) in versions 8.61 and 8.62 is missing authentication for a critica…KEVEPSS 9.4%analysed

Source: NIST National Vulnerability Database (record CVE-2019-19143), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.