Which products and versions are affected by CVE-2023-36144?

Affected: Sg 2404 Mr Firmware (Intelbras) versions 1.00.54. The full list is in the CVE brief.

Is CVE-2023-36144 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since May 9, 2025.

Is CVE-2023-36144 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2023-36144?

Public exploit code is available.

Is there a fix for CVE-2023-36144?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2023-36144 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2023-36144

HighExploitedPublic exploit

An authentication bypass in Intelbras Switch SG 2404 MR in firmware 1.00.54 allows an unauthenticated attacker to download the backup file of the device, exposing critical information about the device configuration.

Published Jun 30, 2023 · Updated Jul 9, 2026

Key Facts

Patch immediately

CVE-2023-36144 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Sg 2404 Mr Firmware (Intelbras).
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since May 9, 2025. Public exploit code is available.
EPSS estimates a 37% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS (30-day exploit likelihood)

37%

Higher than 98.4% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2023-36144 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	May 9, 2025	n/a	Not reported
CIRCL KEV	May 9, 2025	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Sg 2404 Mr FirmwareIntelbras	1.00.54	n/a

Timeline

Publicly disclosed
Jun 30, 2023
Added to Industry KEV feed
May 9, 2025
Added to CIRCL KEV
May 9, 2025
Last updated
Jul 9, 2026

Weakness Type

CWE-862 Missing Authorization

References

7 more references in the full CVE brief

FAQ

Common Questions.

An authentication bypass in Intelbras Switch SG 2404 MR in firmware 1.00.54 allows an unauthenticated attacker to download the backup file of the device, exposing critical information about the device configuration.
Affected: Sg 2404 Mr Firmware (Intelbras) versions 1.00.54. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since May 9, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2023-36144 Running On Your Attack Surface?

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