CVE-2026-75124
Unauthenticated memory-corruption in PLANET GS-4210 web UI allows DoS and potential RCE.
Is CVE-2026-75124 being exploited?
Not confirmed. CVE-2026-75124 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 0.48% probability of exploitation in the next 30 days.
How severe is CVE-2026-75124?
CVE-2026-75124 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-2026-75124?
Yes. A fix has been recorded for CVE-2026-75124. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-75124 affect?
CVE-2026-75124 affects PLANET GS-4210-16P2S (firmware <3.441b260626), Web management interface (dispatcher.cgi), Devices exposing management UI to untrusted networks. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-75124?
Upgrade firmware to 3.441b260626 or later; restrict management access (ACL/VPN); block dispatcher.cgi until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can send oversized GET to dispatcher.cgi causing web UI DoS and potential memory corruption leading to possible remote code execution.
Immediate action required
- affected< 3.441b260626
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.