CVE-2026-54212: CWE-787 Out-of-bounds write in Tobit Laboratories AG TeamDavid
Tobit Laboratories AG TeamDavid's Webbox application implements an API endpoint that is vulnerable to a buffer overflow condition. By submitting a specially crafted JSON body, such as one that is at least 8 characters long and begins with a number, an unauthenticated attacker can cause the server to crash, resulting in denial of service. Depending on the stack state or if a stack canary can be disclosed through another vulnerability, this buffer overflow could potentially lead to remote code execution and full compromise of the server. 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.
AI Analysis
Technical Summary
CVE-2026-54212 describes a buffer overflow (CWE-787) in the Webbox API endpoint of Tobit Laboratories AG TeamDavid. The vulnerability is triggered by sending a crafted JSON payload at least 8 characters long starting with a number. This can cause a denial of service via server crash. If additional conditions are met, such as disclosure of a stack canary, the overflow could enable remote code execution and full compromise of the server. The issue affects TeamDavid through Rollout 524. No vendor advisory or patch information is currently available.
Potential Impact
The vulnerability allows unauthenticated attackers to cause denial of service by crashing the server. Additionally, if combined with other vulnerabilities that disclose stack canaries or alter stack state, it could lead to remote code execution and full server compromise. This represents a critical security risk to affected systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting access to the vulnerable API endpoint and monitoring for unusual activity related to JSON payloads. Avoid exposing the affected service to untrusted networks.
CVE-2026-54212: CWE-787 Out-of-bounds write in Tobit Laboratories AG TeamDavid
Description
Tobit Laboratories AG TeamDavid's Webbox application implements an API endpoint that is vulnerable to a buffer overflow condition. By submitting a specially crafted JSON body, such as one that is at least 8 characters long and begins with a number, an unauthenticated attacker can cause the server to crash, resulting in denial of service. Depending on the stack state or if a stack canary can be disclosed through another vulnerability, this buffer overflow could potentially lead to remote code execution and full compromise of the server. 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.
CVSS v4.0
Score 9.5critical
Affected software
Tobit Laboratories AG
TeamDavid
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-54212 describes a buffer overflow (CWE-787) in the Webbox API endpoint of Tobit Laboratories AG TeamDavid. The vulnerability is triggered by sending a crafted JSON payload at least 8 characters long starting with a number. This can cause a denial of service via server crash. If additional conditions are met, such as disclosure of a stack canary, the overflow could enable remote code execution and full compromise of the server. The issue affects TeamDavid through Rollout 524. No vendor advisory or patch information is currently available.
Potential Impact
The vulnerability allows unauthenticated attackers to cause denial of service by crashing the server. Additionally, if combined with other vulnerabilities that disclose stack canaries or alter stack state, it could lead to remote code execution and full server compromise. This represents a critical security risk to affected systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting access to the vulnerable API endpoint and monitoring for unusual activity related to JSON payloads. Avoid exposing the affected service to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- NCSC.ch
- Date Reserved
- 2026-06-12T09:32:46.514Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a75af81bf8831d53921d1db
Added to database: 08/07/2026, 10:12:17 UTC
Last enriched: 08/14/2026, 16:16:57 UTC
Last updated: 09/21/2026, 22:01:35 UTC
Views: 162
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