CVE-2018-10123: p910nd on Inteno IOPSYS 2.0 through 4.2.0 allows remote attackers to read, or append data to, arbitrary files

Q: How do I fix CVE-2018-10123?

iopsys firmware: upgrade to newer than 4.2.0. Exact commands for each OS are on this page.

Q: Is CVE-2018-10123 being exploited?

CVE-2018-10123 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-10123 affect?

CVE-2018-10123 affects iopsys firmware. Severity is high (CVSS 8.8). p910nd on Inteno IOPSYS 2.0 through 4.2.0 allows remote attackers to read, or append data to, arbitrary files via requests on TCP port 9100.

Q: How urgent is CVE-2018-10123?

Priority 60/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

This week

HIGH 8.8UPGRADE

CVE-2018-10123 is a high-severity flaw (CVSS 8.8) affecting iopsys firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

p910nd on Inteno IOPSYS 2.0 through 4.2.0 allows remote attackers to read, or append data to, arbitrary files via requests on TCP port 9100.

Why this priority

High severity
EPSS top 4%: very likely to be exploited
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	10.2% (top 4%)
CISA exploited list	No
Published	2018-05-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: intenogroup

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

Am I affected?

Timeline

2018-05-16 13:29 UTCPublished CVE record published
2026-06-17 01:33 UTCUpdated Record last modified

intenogroup iopsys firmware UPGRADE

Affected: >= 2.0 and <= 4.2.0

Fixed in: newer than 4.2.0

Safe to downgrade to: a release before 2.0

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Inteno IOPSYS 2.0 < 4.2.0 - 'p910nd' Remote Command Execution

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-2018-10123?

iopsys firmware: upgrade to newer than 4.2.0. Exact commands for each OS are on this page.

Is CVE-2018-10123 being exploited?

CVE-2018-10123 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-2018-10123 affect?

CVE-2018-10123 affects iopsys firmware. Severity is high (CVSS 8.8). p910nd on Inteno IOPSYS 2.0 through 4.2.0 allows remote attackers to read, or append data to, arbitrary files via requests on TCP port 9100.

How urgent is CVE-2018-10123?

Priority 60/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2018-14533 HIGH 7.8 MITIGATE read_tmp and write_tmp in Inteno IOPSYS allow attackers to gain privileges after writing to /tmp/etc/smb.conf

References

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