CVE-2023-25946: Authentication bypass vulnerability in Qrio Lock (Q-SL2) firmware version 2.0.9 and earlier allows a network-a

Q: How do I fix CVE-2023-25946?

q-sl2 firmware: upgrade to newer than 2.0.9. Exact commands for each OS are on this page.

Q: Is CVE-2023-25946 being exploited?

CVE-2023-25946 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-2023-25946 affect?

CVE-2023-25946 affects q-sl2 firmware. Severity is high (CVSS 8.8). Authentication bypass vulnerability in Qrio Lock (Q-SL2) firmware version 2.0.9 and earlier allows a network-adjacent attacker to analyze the product's communication data and conduct an arbitrary operation under certain conditions.

Routine

HIGH 8.8UPGRADE

CVE-2023-25946 is a high-severity flaw (CVSS 8.8) affecting q-sl2 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Authentication bypass vulnerability in Qrio Lock (Q-SL2) firmware version 2.0.9 and earlier allows a network-adjacent attacker to analyze the product's communication data and conduct an arbitrary operation under certain conditions.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-287, CWE-863
Published	2023-05-23
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: qrio

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

Am I affected?

Timeline

2023-05-23 02:15 UTCPublished CVE record published
2026-06-17 05:42 UTCUpdated Record last modified

qrio q-sl2 firmware UPGRADE

Affected: <= 2.0.9

Fixed in: newer than 2.0.9

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-2023-25946?

q-sl2 firmware: upgrade to newer than 2.0.9. Exact commands for each OS are on this page.

Is CVE-2023-25946 being exploited?

CVE-2023-25946 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-2023-25946 affect?

CVE-2023-25946 affects q-sl2 firmware. Severity is high (CVSS 8.8). Authentication bypass vulnerability in Qrio Lock (Q-SL2) firmware version 2.0.9 and earlier allows a network-adjacent attacker to analyze the product's communication data and conduct an arbitrary operation under certain conditions.

How urgent is CVE-2023-25946?

Priority 38/100. High severity

References

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