CVE-2023-38945: Multilaser RE160 v5.07.51_pt_MTL01 and v5.07.52_pt_MTL01, Multilaser RE160V v12.03.01.08_pt and V12.03.01.09_p

This week

CRITICAL 9.8REMOTEMITIGATEMITIGATEMITIGATE

CVE-2023-38945 is a critical-severity flaw (CVSS 9.8) affecting re160 firmware, re160v firmware, re163v firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multilaser RE160 v5.07.51_pt_MTL01 and v5.07.52_pt_MTL01, Multilaser RE160V v12.03.01.08_pt and V12.03.01.09_pt, and Multilaser RE163V v12.03.01.08_pt allows attackers to bypass the access control and gain complete access to the application via supplying a crafted URL.

Why this priority

Critical severity
Public exploit reference
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	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-284
Published	2024-03-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: multilaser

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

Am I affected?

Timeline

2024-03-06 00:15 UTCPublished CVE record published
2026-06-17 06:11 UTCUpdated Record last modified

multilaser re160 firmware MITIGATE

Affected: 5.07.51_pt_mtl01 · 5.07.52_pt_mtl01

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.07.51_pt_mtl01

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.

multilaser re160v firmware MITIGATE

Affected: 12.03.01.08_pt · 12.03.01.09_pt

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.03.01.08_pt

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.

multilaser re163v firmware MITIGATE

Affected: 12.03.01.08_pt

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.03.01.08_pt

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-2023-38945?

re160 firmware: mitigate or apply the listed mitigation; re160v firmware: mitigate or apply the listed mitigation; re163v firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-38945 being exploited?

CVE-2023-38945 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-2023-38945 affect?

CVE-2023-38945 affects re160 firmware, re160v firmware, re163v firmware. Severity is critical (CVSS 9.8). Multilaser RE160 v5.07.51_pt_MTL01 and v5.07.52_pt_MTL01, Multilaser RE160V v12.03.01.08_pt and V12.03.01.09_pt, and Multilaser RE163V v12.03.01.08_pt allows attackers to bypass the access control and gain complete access to the application

How urgent is CVE-2023-38945?

Priority 60/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-38946 HIGH 8.8 MITIGATE An issue in Multilaser RE160 firmware v5.07.51_pt_MTL01 and v5.07.52_pt_MTL01 allows attackers to bypass the a

References

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