Improper Input Handling in TP-Link Archer Modems
CVE-2025-15519

8.5HIGH

Key Information:

Vendor

Tp-link Systems Inc.

Status
Archer Nx600 V3.0
Archer Nx600 V2.0
Archer Nx600 V1.0
Archer Nx500 V2.0
Vendor
CVE Published:
23 March 2026

What is CVE-2025-15519?

An improper input handling flaw in the modem-management administrative CLI on specific TP-Link Archer models allows authenticated attackers with administrative privileges to execute arbitrary OS commands. This vulnerability can compromise the device's confidentiality, integrity, and availability, making it essential for administrators to assess and mitigate the potential risks. Patches are available to address this issue, and it's recommended to update the firmware as soon as possible.

Affected Version(s)

Archer NX200 v1.0 Linux 0 < 1.8.0 Build 260311

Archer NX200 v2.0 Linux 0 < 1.3.0 Build 260311

Archer NX200 v2.20 Linux 0 < 1.3.0 Build 260311

References

https://www.tp-link.com/en/support/download/archer-nx200/...
patch
https://www.tp-link.com/en/support/download/archer-nx210/...
patch
https://www.tp-link.com/en/support/download/archer-nx500/...
patch

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Saifeldeen Aziz from Cyshield
.