CVE-2023-29711: An incorrect access control issue was discovered in Interlink PSG-5124 version 1.0.4, allows attackers to exec

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CRITICAL 9.8REMOTEMITIGATE

CVE-2023-29711 is a critical-severity flaw (CVSS 9.8) affecting psg-5124 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An incorrect access control issue was discovered in Interlink PSG-5124 version 1.0.4, allows attackers to execute arbitrary code via crafted GET request.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	70.3% (top 1%)
CISA exploited list	No
Weakness	CWE-346
Published	2023-06-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: interlink

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

Am I affected?

Timeline

2023-06-22 12:15 UTCPublished CVE record published
2026-06-17 05:50 UTCUpdated Record last modified

interlink psg-5124 firmware MITIGATE

Affected: 1.0.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.4

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 46 · borgmatic · FIXED · 2.2.0-1.fc46 · FEDORA-2026-041229e71b · source

sudo dnf upgrade --advisory=FEDORA-2026-041229e71b

Fedora ELN · pie · FIXED · 1.5.4-1.eln159 · FEDORA-2026-a2c0261d3a · source

sudo dnf upgrade --advisory=FEDORA-2026-a2c0261d3a

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-2023-29711?

psg-5124 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-29711 being exploited?

CVE-2023-29711 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-2023-29711 affect?

CVE-2023-29711 affects psg-5124 firmware. Severity is critical (CVSS 9.8). An incorrect access control issue was discovered in Interlink PSG-5124 version 1.0.4, allows attackers to execute arbitrary code via crafted GET request.

How urgent is CVE-2023-29711?

Priority 72/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

References

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