CVE-2026-28773: The web-based Ping diagnostic utility (/IDC_Ping/main.cgi) in International Datacasting Corporation (IDC) SFX

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HIGH 8.8MITIGATE

CVE-2026-28773 is a high-severity flaw (CVSS 8.8) affecting sfx2100 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The web-based Ping diagnostic utility (/IDC_Ping/main.cgi) in International Datacasting Corporation (IDC) SFX Series SuperFlex Satellite Receiver Web Management Interface version 101 is vulnerable to OS Command Injection. The application insecurely parses the `IPaddr` parameter. An authenticated attacker can bypass server-side semicolon exclusion checks by using alternate shell metacharacters (such as the pipe `|` operator) to append and execute

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-03-04
Last modified	2026-06-17

Publisher (CNA): Gridware · Vendor: datacast

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-04 08:16 UTCPublished CVE record published
2026-06-17 10:29 UTCUpdated Record last modified

datacast sfx2100 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora ELN · fwupd-efi · FIXED · 1.9-3.eln159 · FEDORA-2026-44fd42db42 · source

sudo dnf upgrade --advisory=FEDORA-2026-44fd42db42

Fedora 46 · crest · FIXED · 3.0.2-1.fc46 · FEDORA-2026-b49adefa8f · source

sudo dnf upgrade --advisory=FEDORA-2026-b49adefa8f

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-28773?

sfx2100 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-28773 being exploited?

CVE-2026-28773 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-28773 affect?

CVE-2026-28773 affects sfx2100 firmware. Severity is high (CVSS 8.8). The web-based Ping diagnostic utility (/IDC_Ping/main.cgi) in International Datacasting Corporation (IDC) SFX Series SuperFlex Satellite Receiver Web Management Interface version 101 is vulnerable to OS Command Injection. The application i

How urgent is CVE-2026-28773?

Priority 56/100. High severity; Public exploit reference

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CVE-2026-29126 HIGH 7.8 MITIGATE Incorrect permission assignment (world-writable file) in /etc/udhcpc/default.script in International Data Cast
CVE-2026-29125 MEDIUM 4.7 MITIGATE IDC SFX2100 Satalite Recievers set the `/etc/resolv.conf` file to be world-writable by any local user, allowin
CVE-2026-29124 HIGH 7.8 MITIGATE Multiple SUID root-owned binaries are found in /home/monitor/terminal, /home/monitor/kore-terminal, /home/moni

References

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