CVE-2026-54210
Unauthenticated buffer overflow in TeamDavid Webbox file upload causes DoS; may enable RCE.
Is CVE-2026-54210 being exploited?
Not confirmed. CVE-2026-54210 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.47% probability of exploitation in the next 30 days.
How severe is CVE-2026-54210?
CVE-2026-54210 is rated Critical with a CVSS score of 9.5. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-54210?
Not known from our data. No patch reference has been recorded for CVE-2026-54210, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-54210 affect?
CVE-2026-54210 affects Tobit Laboratories TeamDavid Webbox (<= Rollout 524). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-54210?
Disable/limit file uploads, isolate affected servers, apply vendor patch when released, add WAF rule to block long filenames.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated long-filename buffer overflow via file upload can crash the server (DoS) and may be escalated to remote code execution and full server compromise.
Immediate action required
- affected< Rollout 528
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.