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Vulnerability record · CVE-2018-12455 · published 10 October 2018

CVE-2018-12455: Intelbras nplug firmware improper authentication vulnerability

Intelbras · Nplug Firmware

Intelbras NPLUG 1.0.0.14 wireless repeater devices have a critical vulnerability that allows an attacker to authenticate in the web interface just by using "admin:" as the name of a cookie.

8.1 CVSS 3.0 High EPSS 5.9% · top 7.1% CWE-287 · Improper authentication
8.1CVSS 3.0 base score, v2 9.3
5.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Intelbras NPLUG 1.0.0.14 wireless repeater devices have a critical vulnerability that allows an attacker to authenticate in the web interface just by using "admin:" as the name of a cookie.

CVSS:3.0/AV:N/AC:H/PR:N/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.

References

LinkTags
http://seclists.org/fulldisclosure/2018/Oct/18 ExploitMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2018/Oct/18 ExploitMailing ListThird Party Advisory

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Related vulnerabilities

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

8.8CVE-2018-12456Intelbras nplug firmware cross-site request forgery vulnerabilityIntelbras NPLUG 1.0.0.14 wireless repeater devices have no CSRF token protection in the web interface, allowing attackers to perform actions such as …EPSS 0.89%6.1CVE-2018-17337Intelbras nplug firmware cross-site scripting vulnerabilityIntelbras NPLUG 1.0.0.14 devices have XSS via a crafted SSID that is received via a network broadcast.EPSS 0.68%7.5CVE-2026-42018JFrog Artifactory improper authentication leaks anonymous tokenJFrog Artifactory can return an internal anonymous-user token to an unauthenticated caller even when anonymous access is disabled. Because the token …KEVEPSS 9.8%analysed9.8CVE-2026-82329JFrog Artifactory improper authentication allows admin takeoverJFrog Artifactory contains an improper authentication weakness (CWE-287) that, under default configuration, may let an unauthenticated attacker with …KEVEPSS 14%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%analysed10.0CVE-2026-49869Kestra OSS auth bypass via path suffix match enables RCEKestra OSS AuthenticationFilter whitelists the public config endpoint using request.getPath().endsWith("/configs"), a suffix match instead of an exac…KEVEPSS 2.1%analysed9.8CVE-2023-49105ownCloud Server WebDAV authentication bypass via pre-signed URLsownCloud core before 10.13.1 accepts pre-signed URLs even when the file owner has no signing-key configured, so the signature check is effectively sk…KEVEPSS 43%analysed9.8CVE-2026-65400Apple macOS Screen Sharing authentication bypassAn improper authentication flaw in Apple macOS Screen Sharing allows a network attacker to authenticate without valid credentials. Apple fixed it via…KEVEPSS 1.2%analysed

Source: NIST National Vulnerability Database (record CVE-2018-12455), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.