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Vulnerability record · CVE-2026-15429 · published 14 July 2026

CVE-2026-15429: Tp-link archer vx1800v firmware vulnerability

Tp Link · Archer Vx1800v Firmware

A privilege escalation vulnerability exists in the HTTP authentication component in Archer VX1800v v1. Improper handling of user-controlled input may allow newline characters to be injected into internally constructed configuration data.  An authenticated user with sufficient privileges may be able to modify account settings and gain elevated administrative privileges.

5.1 CVSS 4.0 Medium EPSS 1.4% · top 28.8% CWE-93 · CWE-93
5.1CVSS 4.0 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
6 Aug 2026Last modified by NVD

Description

A privilege escalation vulnerability exists in the HTTP authentication component in Archer VX1800v v1. Improper handling of user-controlled input may allow newline characters to be injected into internally constructed configuration data.  An authenticated user with sufficient privileges may be able to modify account settings and gain elevated administrative privileges.

CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

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

References

LinkTags
https://www.tp-link.com/en/support/download/archer-vx1800v/#Firmware Product
https://www.tp-link.com/us/support/faq/5189/ Vendor Advisory

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Related vulnerabilities

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

8.6CVE-2026-15427Tp-link archer vx1800v firmware os command injection vulnerabilityAn OS command injection vulnerability exists in the TR-069 / CWMP management interface of Archer VX1800v v1 due to insufficient input validation and …EPSS 0.84%8.5CVE-2026-15428Tp-link archer vx1800v firmware os command injection vulnerabilityAn OS command injection vulnerability exists in Archer VX800v v1 due to insufficient input sanitization of the domain name parameter. An adjacent att…EPSS 2.1%7.5CVE-2025-61884Oracle E-Business Suite Configurator pre-auth data exposure flawOracle Configurator in Oracle E-Business Suite 12.2.3 through 12.2.14 exposes a vulnerability reachable over HTTP without authentication. A successfu…KEVEPSS 96%analysed

Source: NIST National Vulnerability Database (record CVE-2026-15429), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.