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Fencer Intel
high 8.8

CVE-2026-82762 json

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in Contec FX5000 series, FX4000 ser…

published last mo. modified last mo. also EUVD-2026-77217

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in Contec FX5000 series, FX4000 series, and FX3000 series. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.

Patch / fix

  • Contec Co., Ltd. FXA5000 1.12.00
  • Contec Co., Ltd. FXA5020 1.12.00
  • Contec Co., Ltd. FXA5020-[][] 1.12.00
  • Contec Co., Ltd. FXE5000 1.12.00
  • Contec Co., Ltd. FXE5000-[][] 1.12.00
  • Contec Co., Ltd. FXS5000-[][] 1.12.00
  • Contec Co., Ltd. FXS5021 1.12.00
  • Contec Co., Ltd. FXE4000 1.14.00
  • Contec Co., Ltd. FXE4000-WP 1.14.00
  • Contec Co., Ltd. FXS4000 1.14.00
  • Contec Co., Ltd. FXS4020 1.14.00
  • Contec Co., Ltd. FXA3000 1.20.00
  • Contec Co., Ltd. FXA3000-[][] 1.20.00
  • Contec Co., Ltd. FXA3020 1.20.00
  • Contec Co., Ltd. FXA3020-[][] 1.20.00
  • Contec Co., Ltd. FXA3200 1.20.00
  • Contec Co., Ltd. FXE3000 1.20.00
  • Contec Co., Ltd. FXE3000-[][] 1.20.00
  • Contec Co., Ltd. FXE3000-WP 1.20.00
  • Contec Co., Ltd. FXS300[]-CN 1.20.00

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last mo.

Exploit prediction

1.87% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Contec Co., Ltd. FXA5000
  • Contec Co., Ltd. FXA5020
  • Contec Co., Ltd. FXA5020-[][]
  • Contec Co., Ltd. FXE5000
  • Contec Co., Ltd. FXE5000-[][]
  • Contec Co., Ltd. FXS5000-[][]
  • Contec Co., Ltd. FXS5021
  • Contec Co., Ltd. FXE4000
  • Contec Co., Ltd. FXE4000-WP
  • Contec Co., Ltd. FXS4000
  • Contec Co., Ltd. FXS4020
  • Contec Co., Ltd. FXA3000
  • Contec Co., Ltd. FXA3000-[][]
  • Contec Co., Ltd. FXA3020
  • Contec Co., Ltd. FXA3020-[][]
  • Contec Co., Ltd. FXA3200
  • Contec Co., Ltd. FXE3000
  • Contec Co., Ltd. FXE3000-[][]
  • Contec Co., Ltd. FXE3000-WP
  • Contec Co., Ltd. FXS300[]-CN

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

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.