CVE-2025-13826
DoS in Zervit's portable HTTP server via config reset
Is CVE-2025-13826 being exploited?
Not confirmed. CVE-2025-13826 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 0.25% probability of exploitation in the next 30 days.
How severe is CVE-2025-13826?
CVE-2025-13826 is rated High with a CVSS score of 8.2. 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-2025-13826?
Not known from our data. No patch reference has been recorded for CVE-2025-13826, 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-2025-13826 affect?
CVE-2025-13826 affects Zervit's portable HTTP/web server. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-13826?
Update when released; monitor for DoS attempts
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote DoS via config reset input; service becomes unresponsive, may require manual restart
Patch when possible