Public vulnerability disclosure

CVE-2026-124577

Intelbras SG 2404 PoE L2+ Web Management EXCU_SHELL improper authentication

publishedCWE-287

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.

Technical severity9.3 criticalCVSS 4.0 · CNA: VulDB
Published2026-11-09Source updated 2026-11-09
Collected2026-11-091 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
SG 2404 PoE L2+
Intelbras
1.00.70 (affected)
1.00.72 (affected)
1.00.74 (unaffected)
CNA: VulDB

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 9.3
critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:PCNA: VulDB
3.1 / 9.8
critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:CCNA: VulDB
3.0 / 9.8
critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:CCNA: VulDB
2.0 / 10.0
critical
AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:OF/RC:CCNA: VulDB

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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