CVE-2022-36784: Elsight – Elsight Halo Remote Code Execution (RCE) Elsight Halo web panel allows us to perform connection va

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CRITICAL 9.8REMOTEMITIGATE

CVE-2022-36784 is a critical-severity flaw (CVSS 9.8) affecting halo firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Elsight – Elsight Halo Remote Code Execution (RCE) Elsight Halo web panel allows us to perform connection validation. through the POST request : /api/v1/nics/wifi/wlan0/ping we can abuse DESTINATION parameter and leverage it to remote code execution.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-20
Published	2022-11-17
Last modified	2026-06-17

Publisher (CNA): Israel National Cyber Directorate · Vendor: elsight

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

Am I affected?

Timeline

2022-11-17 23:15 UTCPublished CVE record published
2026-06-17 04:53 UTCUpdated Record last modified

elsight halo 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.

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-2022-36784?

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

Is CVE-2022-36784 being exploited?

CVE-2022-36784 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-2022-36784 affect?

CVE-2022-36784 affects halo firmware. Severity is critical (CVSS 9.8). Elsight – Elsight Halo Remote Code Execution (RCE) Elsight Halo web panel allows us to perform connection validation. through the POST request : /api/v1/nics/wifi/wlan0/ping we can abuse DESTINATION parameter and leverage it to remote cod

How urgent is CVE-2022-36784?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Wi-Fi vulnerabilities

References

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