What is CVE-2025-15543?

CVE-2025-15543 is a medium-severity vulnerability in Tp-Link Vx800v, classified under Improper Link Resolution Before File Access. CVSS score: 4.6/10. Published 2026-01-29.

How severe is CVE-2025-15543?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Tp-Link Vx800v

CVE-2025-15543

Improper link resolution in USB HTTP access path in VX800v v1.0 allows a crafted USB device to expose root filesystem contents, giving an attacker with physical access read‑only access to system files.

EPSS: 0.002 (8.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Tp-link Vx800v — versions 1.0
Tp-link Vx800v_firmware
Tp-link Systems Inc. Vx800v V1.0 — versions 0

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-15543?: CVE-2025-15543 is a medium-severity vulnerability in Tp-Link Vx800v, classified under Improper Link Resolution Before File Access. CVSS score: 4.6/10. Published 2026-01-29.
How severe is CVE-2025-15543?: Medium severity. CVSS v3 base score is 4.6 out of 10.