CVE-2022-23332: Command injection vulnerability in Manual Ping Form (Web UI) in Shenzhen Ejoin Information Technology Co., Ltd

Q: How do I fix CVE-2022-23332?

acom508 firmware: upgrade to newer than 508-609-900-241-100-020; acom532 firmware: upgrade to newer than 532-609-915-041-100-020; acom516 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2022-23332 being exploited?

CVE-2022-23332 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-2022-23332 affect?

CVE-2022-23332 affects acom508 firmware, acom532 firmware, acom516 firmware. Severity is high (CVSS 8.8). Command injection vulnerability in Manual Ping Form (Web UI) in Shenzhen Ejoin Information Technology Co., Ltd. ACOM508/ACOM516/ACOM532 609-915-041-100-020 allows a remote attacker to inject arbitrary code via the field.

Q: How urgent is CVE-2022-23332?

Priority 59/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

This month

HIGH 8.8UPGRADEUPGRADEMITIGATE

CVE-2022-23332 is a high-severity flaw (CVSS 8.8) affecting acom508 firmware, acom532 firmware, acom516 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Command injection vulnerability in Manual Ping Form (Web UI) in Shenzhen Ejoin Information Technology Co., Ltd. ACOM508/ACOM516/ACOM532 609-915-041-100-020 allows a remote attacker to inject arbitrary code via the field.

Why this priority

High severity
EPSS top 8%: 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	5.1% (top 8%)
CISA exploited list	No
Weakness	CWE-94
Published	2022-05-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ejointech

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

Am I affected?

Timeline

2022-05-09 14:15 UTCPublished CVE record published
2026-06-17 04:29 UTCUpdated Record last modified

ejointech acom508 firmware UPGRADE

Affected: <= 508-609-900-241-100-020

Fixed in: newer than 508-609-900-241-100-020

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.

ejointech acom532 firmware UPGRADE

Affected: <= 532-609-915-041-100-020

Fixed in: newer than 532-609-915-041-100-020

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.

ejointech acom516 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-2022-23332?

acom508 firmware: upgrade to newer than 508-609-900-241-100-020; acom532 firmware: upgrade to newer than 532-609-915-041-100-020; acom516 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-23332 being exploited?

CVE-2022-23332 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-2022-23332 affect?

CVE-2022-23332 affects acom508 firmware, acom532 firmware, acom516 firmware. Severity is high (CVSS 8.8). Command injection vulnerability in Manual Ping Form (Web UI) in Shenzhen Ejoin Information Technology Co., Ltd. ACOM508/ACOM516/ACOM532 609-915-041-100-020 allows a remote attacker to inject arbitrary code via the field.

How urgent is CVE-2022-23332?

Priority 59/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

References

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