HOMEVULNERABILITIESCVE-2020-7548
CRITICAL

CVE-2020-7548

CWE-330Published: December 1, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2020-7548 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

schneider-electric14 product(s)
acti9 smartlink si d firmwareacti9 smartlink si dacti9 smartlink si b firmwareacti9 smartlink si bacti9 powertag link firmwareacti9 powertag linkacti9 powertag link hd firmwareacti9 powertag link hdacti9 smartlink el b firmwareacti9 smartlink el bwiser link firmwarewiser link+2
Source: NVD CPE · 14 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2020-7548
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-330
CISA KEVNo
Affected1 vendor(s)
PublishedDec 1, 2020

Related CVEs (CWE-330)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-7548 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.