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CVE-2026-124577

9.8, critical

Intelbras SG 2404 PoE L2+ Improper Authentication Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
9.8, critical critical CVSS v3.1
EPSS, next 30 days
2% higher than 81.5% of scored CVEs
Exploitation
No public evidence
Published
9 Nov 2026yesterday

Description

A weakness has been identified in Intelbras SG 2404 PoE L2+ 1.00.70/1.00.72. The affected element is an unknown function of the file /EXCU_SHELL of the component Web Management Interface. Executing a manipulation can lead to improper authentication. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.00.74 is sufficient to fix this issue. Upgrading the affected component is advised.

Details

Vendor
Intelbras
Product
SG 2404 PoE L2+
Weakness
CWE-287 (opens in a new tab)
Status
Deferred
Updated
9 Nov 2026
Assigner
cna@vuldb.com

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

References 4

Other references 4

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

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Is CVE-2026-124577 in your network?

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 10 Nov 2026, not the live upstream state.