What is CVE-2025-11543?

CVE-2025-11543 is a critical-severity vulnerability in Sharp Np-Cr5450h, classified under Improper Validation of Integrity Check Value. CVSS score: 9.8/10. Published 2025-12-22.

How severe is CVE-2025-11543?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Sharp Np-Cr5450h

CVE-2025-11543

Improper Validation of Integrity Check Value vulnerability in Sharp Display Solutions projectors allows a attacker may create and run unauthorized firmware.

Published 2025-12-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (8.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-354 — Improper Validation of Integrity Check Value

References

sharp-displays.jp.sharp/global/support/info/PJ-CVE-2025-11540.html (Vendor Advisory)

Frequently asked questions

What is CVE-2025-11543?: CVE-2025-11543 is a critical-severity vulnerability in Sharp Np-Cr5450h, classified under Improper Validation of Integrity Check Value. CVSS score: 9.8/10. Published 2025-12-22.
How severe is CVE-2025-11543?: Critical severity. CVSS v3 base score is 9.8 out of 10.