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Fencer Intel
critical 9.8

CVE-2024-8456 json

PLANET Technology switch devices - Missing Authentication for multiple HTTP routes

published 2y ago modified 4mo ago also EUVD-2024-49190

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

Certain switch models from PLANET Technology lack proper access control in firmware upload and download functionality, allowing unauthenticated remote attackers to download and upload firmware and system configurations, ultimately gaining full control of the devices.

Patch / fix

  • PLANET Technology GS-4210-24PL4C hardware 2.0 2.305b240719
  • PLANET Technology GS-4210-24P2S hardware 3.0 3.305b240802
  • planet_technology_corp gs-4210-24pl4c_hardware_2.0 2.305b240719
  • planet_technology_corp gs-4210-24pl4c_hardware_3.0 3.305b240802

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2y ago

Exploit prediction

0.58% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • PLANET Technology GS-4210-24PL4C hardware 2.0
  • PLANET Technology GS-4210-24P2S hardware 3.0
  • planet_technology_corp gs-4210-24pl4c_hardware_2.0
  • planet_technology_corp gs-4210-24pl4c_hardware_3.0

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.