High-severity RCE in firewall; authenticated attackers can run OS commands, potentially taking control of the device across organizations.
CVE-2026-34793
Authenticated command injection in Endian Firewall CGI.
Is CVE-2026-34793 being exploited?
Not confirmed. CVE-2026-34793 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 1.2% probability of exploitation in the next 30 days.
How severe is CVE-2026-34793?
CVE-2026-34793 is rated High with a CVSS score of 8.7. 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-2026-34793?
Yes. A fix has been recorded for CVE-2026-34793. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-34793 affect?
CVE-2026-34793 affects Endian Firewall <= 3.3.25. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-34793?
Upgrade firmware to fixed release when available.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated RCE via /cgi-bin/logs_firewall.cgi DATE param; can execute arbitrary OS commands.
Immediate action required
- affected3.3.25
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.