CVE-2025-11543: Improper Validation of Integrity Check Value vulnerability in Sharp Display Solutions projectors allows a atta

This month

CRITICAL 9.8REMOTEMITIGATEMITIGATEMITIGATE

CVE-2025-11543 is a critical-severity flaw (CVSS 9.8) affecting np-p502h firmware, np-p502w firmware, np-p452h firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 90%)
CISA exploited list	No
Weakness	CWE-354
Published	2025-12-22
Last modified	2026-06-17

Publisher (CNA): NEC Corporation · Vendor: sharp

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-22 05:16 UTCPublished CVE record published
2026-06-17 08:30 UTCUpdated Record last modified

sharp np-p502h firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sharp np-p502w firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sharp np-p452h firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sharp np-p452w firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sharp np-p502hg firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sharp np-p502wg firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-11543?

np-p502h firmware: mitigate or apply the listed mitigation; np-p502w firmware: mitigate or apply the listed mitigation; np-p452h firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-11543 being exploited?

CVE-2025-11543 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-11543 affect?

CVE-2025-11543 affects np-p502h firmware, np-p502w firmware, np-p452h firmware. Severity is critical (CVSS 9.8). Improper Validation of Integrity Check Value vulnerability in Sharp Display Solutions projectors allows a attacker may create and run unauthorized firmware.

How urgent is CVE-2025-11543?

Priority 42/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-11542 CRITICAL 9.8 MITIGATE MITIGATE Stack-based Buffer Overflow vulnerability in Sharp Display Solutions projectors allows a attacker may execute
CVE-2025-11541 CRITICAL 9.8 MITIGATE MITIGATE Stack-based Buffer Overflow vulnerability in Sharp Display Solutions projectors allows a attacker may execute
CVE-2025-11540 HIGH 7.5 MITIGATE MITIGATE Path Traversal vulnerability in Sharp Display Solutions projectors allows a attacker may access and read any f

References

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