CVE-2026-29121Public exploit

Root file disclosure via setuid ip utility

Published Mar 5, 2026 · Updated Mar 5, 2026

Improper privilege management in the SFX2100 Satellite Receiver allows local users to read root-only files through setuid /sbin/ip. The appliance assigns the root-owned /sbin/ip binary the setuid bit, and its batch-file option reads attacker-selected files without dropping effective root privileges. Access to a low-privileged local account is required; demonstrated impact is disclosure of privileged text files such as /etc/shadow.

CVSS severity7.8
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper privilege management in the SFX2100 Satellite Receiver allows local users to read root-only files through setuid /sbin/ip. The appliance assigns the root-owned /sbin/ip binary the setuid bit, and its batch-file option reads attacker-selected files without dropping effective root privileges. Access to a low-privileged local account is required; demonstrated impact is disclosure of privileged text files such as /etc/shadow.

The record

CVE
CVE-2026-29121
Published
Mar 5, 2026
Updated
Mar 5, 2026
Vendor
International Datacasting Corporation
Product
SFX2100 Satellite Receiver
Classifications
CWE-269, CAPEC-233, T1548.001
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=SFX2100

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

International Datacasting Corporation · SFX2100 Satellite Receiverversion=SFX2100

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.3GridwareCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-269Improper Privilege Management
CAPEC-233Privilege Escalation
T1548.001Abuse Elevation Control Mechanism: Setuid and Setgid

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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