CVE-2022-42457: Generex CS141 through 2.10 allows remote command execution by administrators via a web interface that reaches

Q: How do I fix CVE-2022-42457?

cs141 firmware: upgrade to newer than 2.10. Exact commands for each OS are on this page.

Q: Is CVE-2022-42457 being exploited?

CVE-2022-42457 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-2022-42457 affect?

CVE-2022-42457 affects cs141 firmware. Severity is critical (CVSS 9.1). Generex CS141 through 2.10 allows remote command execution by administrators via a web interface that reaches run_update in /usr/bin/gxserve-update.sh (e.g., command execution can occur via a reverse shell installed by install.sh).

Q: How urgent is CVE-2022-42457?

Priority 59/100. Critical severity; Public exploit reference

This month

CRITICAL 9.1UPGRADE

CVE-2022-42457 is a critical-severity flaw (CVSS 9.1) affecting cs141 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Generex CS141 through 2.10 allows remote command execution by administrators via a web interface that reaches run_update in /usr/bin/gxserve-update.sh (e.g., command execution can occur via a reverse shell installed by install.sh).

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	3.2% (top 12%)
CISA exploited list	No
Published	2022-10-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: generex

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

Am I affected?

Timeline

2022-10-06 18:18 UTCPublished CVE record published
2026-06-17 05:04 UTCUpdated Record last modified

generex cs141 firmware UPGRADE

Affected: <= 2.10

Fixed in: newer than 2.10

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-2022-42457?

cs141 firmware: upgrade to newer than 2.10. Exact commands for each OS are on this page.

Is CVE-2022-42457 being exploited?

CVE-2022-42457 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-2022-42457 affect?

CVE-2022-42457 affects cs141 firmware. Severity is critical (CVSS 9.1). Generex CS141 through 2.10 allows remote command execution by administrators via a web interface that reaches run_update in /usr/bin/gxserve-update.sh (e.g., command execution can occur via a reverse shell installed by install.sh).

How urgent is CVE-2022-42457?

Priority 59/100. Critical severity; Public exploit reference

Related CVEs

CVE-2022-47192 HIGH 8.8 UPGRADE Generex UPS CS141 below 2.06 version, could allow a remote attacker to upload a backup file containing a modif
CVE-2022-47191 MEDIUM 4.3 UPGRADE Generex UPS CS141 below 2.06 version, could allow a remote attacker to upload a firmware file containing a fil
CVE-2022-47190 CRITICAL 10.0 UPGRADE Generex UPS CS141 below 2.06 version, could allow a remote attacker to upload a firmware file containing a web
CVE-2022-47189 HIGH 7.5 UPGRADE Generex UPS CS141 below 2.06 version, allows an attacker toupload a firmware file containing an incorrect conf
CVE-2022-47188 HIGH 7.5 UPGRADE There is an arbitrary file reading vulnerability in Generex UPS CS141 below 2.06 version

References

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