CVE-2025-36744: SolarEdge SE3680H has unauthenticated disclosure of sensitive information during the bootloader loop

Q: How do I fix CVE-2025-36744?

se3680h firmware: upgrade to 4.22. Exact commands for each OS are on this page.

Q: Is CVE-2025-36744 being exploited?

CVE-2025-36744 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-36744 affect?

CVE-2025-36744 affects se3680h firmware. Severity is low (CVSS 2.4). SolarEdge SE3680H has unauthenticated disclosure of sensitive information during the bootloader loop. While the device repeatedly initializes and waits for boot instructions, the bootloader emits diagnostic output this behavior can leak ope

Q: How urgent is CVE-2025-36744?

Priority 10/100. No elevated risk signals yet.

Routine

LOW 2.4UPGRADE

CVE-2025-36744 is a low-severity flaw (CVSS 2.4) affecting se3680h firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SolarEdge SE3680H has unauthenticated disclosure of sensitive information during the bootloader loop. While the device repeatedly initializes and waits for boot instructions, the bootloader emits diagnostic output this behavior can leak operating system information.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.4 (Low)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 95%)
CISA exploited list	No
Published	2025-12-12
Last modified	2026-10-07

Publisher (CNA): Dutch Institute for Vulnerability Disclosure · Vendor: solaredge

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-12 15:15 UTCPublished CVE record published
2026-10-07 20:10 UTCUpdated Record last modified

solaredge se3680h firmware UPGRADE

Affected: >= 4.0 and < 4.22

Fixed in: 4.22

Safe to downgrade to: a release before 4.0

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-2025-36744?

se3680h firmware: upgrade to 4.22. Exact commands for each OS are on this page.

Is CVE-2025-36744 being exploited?

CVE-2025-36744 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-2025-36744 affect?

CVE-2025-36744 affects se3680h firmware. Severity is low (CVSS 2.4). SolarEdge SE3680H has unauthenticated disclosure of sensitive information during the bootloader loop. While the device repeatedly initializes and waits for boot instructions, the bootloader emits diagnostic output this behavior can leak ope

How urgent is CVE-2025-36744?

Priority 10/100. No elevated risk signals yet.

Related CVEs

CVE-2025-36745 HIGH 7.8 UPGRADE SolarEdge SE3680H ships with an outdated Linux kernel containing unpatched vulnerabilities in core subsystems
CVE-2025-36743 MEDIUM 6.8 UPGRADE SolarEdge SE3680H has an exposed debug/test interface accessible to unauthenticated actors, allowing disclosur

References

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