CVE-2024-37570: On Mitel 6869i 4.5.0.41 devices, the Manual Firmware Update (upgrade.html) page does not perform sanitization

This month

HIGH 8.8MITIGATE

CVE-2024-37570 is a high-severity flaw (CVSS 8.8) affecting 6869i sip firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

On Mitel 6869i 4.5.0.41 devices, the Manual Firmware Update (upgrade.html) page does not perform sanitization on the username and path parameters (sent by an authenticated user) before appending flags to the busybox ftpget command. This leads to $() command execution.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.1% (top 36%)
CISA exploited list	No
Weakness	CWE-77
Published	2024-06-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mitel

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

Am I affected?

Timeline

2024-06-09 20:15 UTCPublished CVE record published
2026-06-17 07:38 UTCUpdated Record last modified

mitel 6869i sip firmware MITIGATE

Affected: 4.5.0.41

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.5.0.41

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-2024-37570?

6869i sip firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-37570 being exploited?

CVE-2024-37570 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-2024-37570 affect?

CVE-2024-37570 affects 6869i sip firmware. Severity is high (CVSS 8.8). On Mitel 6869i 4.5.0.41 devices, the Manual Firmware Update (upgrade.html) page does not perform sanitization on the username and path parameters (sent by an authenticated user) before appending flags to the busybox ftpget command. This lea

How urgent is CVE-2024-37570?

Priority 52/100. High severity; Public exploit reference

Related CVEs

CVE-2024-37569 HIGH 8.8 UPGRADE An issue was discovered on Mitel 6869i through 4.5.0.41 and 5.x through 5.0.0.1018 devices

References

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