CVE-2022-22986: Netcommunity OG410X and OG810X series (Netcommunity OG410Xa, OG410Xi, OG810Xa, and OG810Xi firmware Ver.2.28 a

Q: How do I fix CVE-2022-22986?

og410xa firmware: upgrade to newer than 2.28; og410xi firmware: upgrade to newer than 2.28; og810xa firmware: upgrade to newer than 2.28. Exact commands for each OS are on this page.

Q: Is CVE-2022-22986 being exploited?

CVE-2022-22986 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-2022-22986 affect?

CVE-2022-22986 affects og410xa firmware, og410xi firmware, og810xa firmware. Severity is high (CVSS 8.8). Netcommunity OG410X and OG810X series (Netcommunity OG410Xa, OG410Xi, OG810Xa, and OG810Xi firmware Ver.2.28 and earlier) allow an attacker on the adjacent network to execute an arbitrary OS command via a specially crafted config file.

This month

HIGH 8.8UPGRADEUPGRADEUPGRADE

CVE-2022-22986 is a high-severity flaw (CVSS 8.8) affecting og410xa firmware, og410xi firmware, og810xa firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Netcommunity OG410X and OG810X series (Netcommunity OG410Xa, OG410Xi, OG810Xa, and OG810Xi firmware Ver.2.28 and earlier) allow an attacker on the adjacent network to execute an arbitrary OS command via a specially crafted config file.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-78
Published	2022-03-31
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: ntt-east

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

Am I affected?

Timeline

2022-03-31 08:15 UTCPublished CVE record published
2026-06-17 04:29 UTCUpdated Record last modified

ntt-east og410xa firmware UPGRADE

Affected: <= 2.28

Fixed in: newer than 2.28

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.

ntt-east og410xi firmware UPGRADE

Affected: <= 2.28

Fixed in: newer than 2.28

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.

ntt-east og810xa firmware UPGRADE

Affected: <= 2.28

Fixed in: newer than 2.28

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.

ntt-east og810xi firmware UPGRADE

Affected: <= 2.28

Fixed in: newer than 2.28

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-2022-22986?

og410xa firmware: upgrade to newer than 2.28; og410xi firmware: upgrade to newer than 2.28; og810xa firmware: upgrade to newer than 2.28. Exact commands for each OS are on this page.

Is CVE-2022-22986 being exploited?

CVE-2022-22986 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-2022-22986 affect?

CVE-2022-22986 affects og410xa firmware, og410xi firmware, og810xa firmware. Severity is high (CVSS 8.8). Netcommunity OG410X and OG810X series (Netcommunity OG410Xa, OG410Xi, OG810Xa, and OG810Xi firmware Ver.2.28 and earlier) allow an attacker on the adjacent network to execute an arbitrary OS command via a specially crafted config file.

How urgent is CVE-2022-22986?

Priority 44/100. High severity

References

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