Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2022-23768: This Vulnerability in NIS-HAP11AC is caused by an exposed external port for the telnet service

47
This month
HIGH 8.8MITIGATE

CVE-2022-23768 is a high-severity flaw (CVSS 8.8) affecting nis-hap11ac firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

This Vulnerability in NIS-HAP11AC is caused by an exposed external port for the telnet service. Remote attackers use this vulnerability to induce all attacks such as source code hijacking, remote control of the device.

Why this priority

  • High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score8.8 (High)
Attack vectorAdjacent network
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance1.0% (top 37%)
CISA exploited listNo
WeaknessCWE-284
Published2022-09-19
Last modified2026-06-17
Publisher (CNA): KrCERT/CC · Vendor: neoinfosys

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

neoinfosys nis-hap11ac firmware MITIGATE
Affected: 3.0 b20201117095902
Fixed in: no fixed release known
Safe to downgrade to: a release before 3.0
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.
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-2022-23768?

nis-hap11ac firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-23768 being exploited?

CVE-2022-23768 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-2022-23768 affect?

CVE-2022-23768 affects nis-hap11ac firmware. Severity is high (CVSS 8.8). This Vulnerability in NIS-HAP11AC is caused by an exposed external port for the telnet service. Remote attackers use this vulnerability to induce all attacks such as source code hijacking, remote control of the device.

How urgent is CVE-2022-23768?

Priority 47/100. High severity

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.