CVE-2026-54209 Details
Description
Tobit Laboratories AG TeamDavid's Webbox application handles password changes using a function triggered by including the string "(editini)" in the file path, writing the new password to the specified "Archive.ini" file. However, the application does not verify that the provided path actually refers to an "Archive.ini" file. If an attacker specifies a different file with excessive size, a buffer overflow occurs. This vulnerability allows an unauthenticated attacker to crash the server, resulting in denial of service. This issue affects TeamDavid before Rollout 528. Starting with Rollout 528 (June 30, 2026), the affected functionality is disabled by default and the vulnerabilities are therefore no longer exposed through this functionality.
A buffer overflow vulnerability has been identified in Tobit Laboratories AG TeamDavid's Webbox application, specifically in versions through Rollout 524. The issue arises in the password change feature, which is activated by including '(editini)' in the file path. The application writes the new password to the 'Archive.ini' file but fails to verify that the specified path actually points to an 'Archive.ini' file. This oversight allows an unauthenticated attacker to direct the function to an oversized file, causing a buffer overflow that crashes the server and disrupts service. This vulnerability was discovered during a penetration test and is one of 22 identified vulnerabilities in the application.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Aug 7, 2026CISA-ADP
Assessed Aug 7, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://chayns.net/77892-10814/tapp/763210?postId=11454 | [email protected] | |
| https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/ | [email protected] | BundleRemedyTechnical Analysis |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Tobit Laboratories AG TeamDavid | <= 524 |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 7, 2026 | CVE Modified | [email protected] |
| Aug 7, 2026 | CVE Modified | CISA-ADP |
| Aug 7, 2026 | New CVE Received | [email protected] |