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Fencer Intel
critical 9.8

CVE-2020-7548 json

A CWE-330 - Use of Insufficiently Random Values vulnerability exists in Smartlink, PowerTag, and Wiser Series Gateways (see security notifi…

published 5y ago modified 4mo ago also EUVD-2020-28673

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

A CWE-330 - Use of Insufficiently Random Values vulnerability exists in Smartlink, PowerTag, and Wiser Series Gateways (see security notification for version information) that could allow unauthorized users to login.

Patch / fix

  • schneider-electric acti9_smartlink_si_d_firmware 002.004.002
  • schneider-electric acti9_smartlink_si_b_firmware 002.004.002
  • schneider-electric acti9_powertag_link_firmware 001.008.007
  • schneider-electric acti9_powertag_link_hd_firmware 001.008.007
  • schneider-electric acti9_smartlink_el_b_firmware 1.2.1
  • schneider-electric wiser_link_firmware 1.5.0
  • schneider-electric wiser_energy_firmware 1.5.0

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Exploit prediction

1.47% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a Smartlink, PowerTag, and Wiser Series Gateways (see security notification for version information)

Classification

Weakness
  • CWE-330 Use of Insufficiently Random Values

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.