CVE-2026-15429 — HIGH (8.8)

Q: How severe is CVE-2026-15429?

CVE-2026-15429 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-15429?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Archer Vx1800V Firmware, Tp-Link Archer Vx1800V.

Vulnerability 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 Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Archer Vx1800V Firmware	< 0.16.0
Tp-Link	Archer Vx1800V	1.0

Related Weaknesses (CWE)

CWE-93

References

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

FAQ

What is CVE-2026-15429?

CVE-2026-15429 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 inter...

How severe is CVE-2026-15429?

CVE-2026-15429 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-15429?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Archer Vx1800V Firmware, Tp-Link Archer Vx1800V.