Secuno
ENNL
Book demo

CVE-2026-28776

Datacast Sfx2100 Firmware hard-coded credentials

9.8 CRITICALPublic exploitEPSS 0.65%
  1. Published4 Mar 2026

Description

International Datacasting Corporation (IDC) SFX Series SuperFlex SatelliteReceiver contains hardcoded credentials for the `monitor` account. A remote unauthenticated attacker can use these trivial, undocumented credentials to access the system via SSH. While initially dropped into a restricted shell, the attacker can trivially break out to achieve standard shell functionality.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Datacast Sfx2100 Firmwareall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1095669.8
Rapyd Admin from 9.0.0 before 9.20.0 contains a hard-coded credentials vulnerability…
CVE-2026-1087539.4
Agnaistic agnai through 1.0.555 contains a hard-coded credentials vulnerability in…
CVE-2026-1052789.8
The published Docker image for openPDC includes a fixed administrative credential with…
CVE-2026-842508.4
IBM Guardium Data Protection 12.2 is vulnerable due to weak cryptographic protection…
CVE-2026-622529.8
Homer is open source telecom observability software. Prior to version 11.0.283, on…
CVE-2026-1021618.8
An unauthenticated attacker located on an adjacent private network (or any attacker…

Frequently asked

Is CVE-2026-28776 being actively exploited?

CVE-2026-28776 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.65%.

How severe is CVE-2026-28776?

CVE-2026-28776 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.65% probability of exploitation.

Which products are affected by CVE-2026-28776?

Affected products include Datacast Sfx2100 Firmware.

How do I fix CVE-2026-28776?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-28776 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.