CVE-2026-52200
Critical remote code execution in Generic OEM UZ801 4G LTE router via /ajax API.
Is CVE-2026-52200 being exploited?
Not confirmed. CVE-2026-52200 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 0.93% probability of exploitation in the next 30 days.
How severe is CVE-2026-52200?
CVE-2026-52200 is rated Critical with a CVSS score of 9.8. 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-2026-52200?
Not known from our data. No patch reference has been recorded for CVE-2026-52200, 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-2026-52200 affect?
CVE-2026-52200 affects Generic OEM UZ801_v2.1 4G LTE Router V3.4.3, MifiService.apk, OEM 4G LTE routers with same firmware. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-52200?
Isolate affected devices, disable remote/management access, block API endpoint, monitor, apply vendor patch when released
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attackers can execute arbitrary code via the /ajax web management API (MifiService.apk), leading to full device compromise, persistent malware, and network pivoting.
Immediate action required