CVE-2024-33109: Directory Traversal in the web interface of the Tiptel IP 286 with firmware version 2.61.13.10 allows attac...
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.
Security readout for executives and security teams
Plain-English summary
CVE-2024-33109 is a critical file overwrite issue in the Tiptel IP 286 phone web interface, reported for firmware 2.61.13.10. A logged-in attacker can abuse ringtone upload handling to write files outside the intended upload area, which could compromise device integrity and confidentiality.
Executive priority
Treat this as urgent for any exposed or broadly reachable Tiptel IP 286 fleet. Prioritize inventory, access restriction, and vendor-guided remediation before routine maintenance windows if management interfaces are reachable beyond trusted administrators.
Technical view
The issue is CWE-22 directory traversal in the Ringtone upload function. The CVSS 3.1 vector is 9.9: network reachable, low complexity, low privileges, no user interaction, changed scope, high confidentiality and integrity impact, and low availability impact. Structured affected-product metadata is incomplete in the CVE bundle.
Likely exposure
Exposure is most likely where Tiptel IP 286 phones run firmware 2.61.13.10 and expose the management web interface to users or networks that should not administer the device.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. Risk remains high because exploitation requires only network access to the web interface and low privileges, with no user interaction.
Researcher notes
The CVE description names Tiptel IP 286 firmware 2.61.13.10, but the structured affected fields show n/a and no CPEs. Do not broaden impact beyond that evidence. No exploit status or patch details were provided in the supplied bundle.
Mitigation direction
Check Tiptel and BDO advisory guidance for fixed firmware or supported workarounds.
Restrict phone web management access to trusted admin networks or VPN only.
Remove any public internet exposure for the affected web interface.
Limit web interface accounts to required administrators and review credentials.
Monitor for unexpected configuration or file changes on affected phones.
Validation and detection
Inventory Tiptel IP 286 phones and record firmware versions.
Identify devices running firmware version 2.61.13.10.
Confirm whether the web interface is reachable from untrusted networks.
Review who can authenticate to the management web interface.
Check device logs or backups for unexpected ringtone or file changes.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
1CVSS vectors
3Timeline events
1ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-22 · source CWE mapping
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.