CVE-2025-15541: Access to System Files via SFTP on TP-Link VX800v

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-29 · updated 2026-06-17
Weakness: CWE-59

Description

Improper link resolution in the VX800v v1.0 SFTP service allows authenticated adjacent attackers to use crafted symbolic links to access system files, resulting in high confidentiality impact and limited integrity risk.

Affected products

TP-Link Systems Inc. VX800v v1.0: before 800.0.11 — fixed in 800.0.11

How to fix

Upgrade to a fixed version: TP-Link Systems Inc. VX800v v1.0 800.0.11. Check the vendor advisory for mitigations.

References

https://www.tp-link.com/de/support/download/vx800v/#Firmware
https://www.tp-link.com/us/support/faq/4930/

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