CVE-2022-32429: An authentication-bypass issue in the component http://MYDEVICEIP/cgi-bin-sdb/ExportSettings.sh of Mega System

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CRITICAL 9.8REMOTEMITIGATE

CVE-2022-32429 is a critical-severity flaw (CVSS 9.8) affecting msnswitch firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An authentication-bypass issue in the component http://MYDEVICEIP/cgi-bin-sdb/ExportSettings.sh of Mega System Technologies Inc MSNSwitch MNT.2408 allows unauthenticated attackers to arbitrarily configure settings within the application, leading to remote code execution.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	75.9% (top 1%)
CISA exploited list	No
Weakness	CWE-287
Published	2022-08-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: megatech

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

Am I affected?

Timeline

2022-08-10 20:15 UTCPublished CVE record published
2026-06-17 04:47 UTCUpdated Record last modified

megatech msnswitch firmware MITIGATE

Affected: mnt.2408

Fixed in: no fixed release known

Safe to downgrade to: a release before mnt.2408

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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora ELN · luksmeta · FIXED · 11-3.eln159 · FEDORA-2026-5176083b78 · source

sudo dnf upgrade --advisory=FEDORA-2026-5176083b78

Fedora 46 · openscad · FIXED · 2021.01-34.fc46 · FEDORA-2026-faf1721128 · source

sudo dnf upgrade --advisory=FEDORA-2026-faf1721128

Public exploits and detection

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

Write-up: elifulkerson.com/CVE-2022-32429/
GitHub PoC: b11y/CVE-2022-32429
Exploit-DB: MSNSwitch Firmware MNT.2408 - Remote Code Execution
Nuclei scan template: MSNSwitch Firmware MNT.2408 - Authentication Bypass

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-2022-32429?

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

Is CVE-2022-32429 being exploited?

CVE-2022-32429 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-2022-32429 affect?

CVE-2022-32429 affects msnswitch firmware. Severity is critical (CVSS 9.8). An authentication-bypass issue in the component http://MYDEVICEIP/cgi-bin-sdb/ExportSettings.sh of Mega System Technologies Inc MSNSwitch MNT.2408 allows unauthenticated attackers to arbitrarily configure settings within the application, le

How urgent is CVE-2022-32429?

Priority 69/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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