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CVE-2024-33109: Directory Traversal in the web interface of the Tiptel IP 286 with firmware version 2.61.13.10 allows attacker

49
This month
CRITICAL 9.9UPGRADEUPGRADE

CVE-2024-33109 is a critical-severity flaw (CVSS 9.9) affecting tiptel ip 286 firmware, sip-t28p firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory Traversal in the web interface of the Tiptel IP 286 with firmware version 2.61.13.10 allows attackers to overwrite arbitrary files on the phone via the Ringtone upload function.

Why this priority

  • Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score9.9 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.9% (top 42%)
CISA exploited listNo
WeaknessCWE-22
Published2024-09-19
Last modified2026-07-05
Publisher (CNA): MITRE · Vendor: ergophone · yealink

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Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

ergophone tiptel ip 286 firmware UPGRADE
Affected: <= 2.61.13.10
Fixed in: newer than 2.61.13.10
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.
yealink sip-t28p firmware UPGRADE
Affected: <= 2.61.13.10
Fixed in: newer than 2.61.13.10
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-2024-33109?

tiptel ip 286 firmware: upgrade to newer than 2.61.13.10; sip-t28p firmware: upgrade to newer than 2.61.13.10. Exact commands for each OS are on this page.

Is CVE-2024-33109 being exploited?

CVE-2024-33109 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-2024-33109 affect?

CVE-2024-33109 affects tiptel ip 286 firmware, sip-t28p firmware. Severity is critical (CVSS 9.9). Directory Traversal in the web interface of the Tiptel IP 286 with firmware version 2.61.13.10 allows attackers to overwrite arbitrary files on the phone via the Ringtone upload function.

How urgent is CVE-2024-33109?

Priority 49/100. Critical severity

References

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