CVE-2026-37232
Zero-division in PRB calc crashes nr-softmodem, causing 5G cell outage.
Is CVE-2026-37232 being exploited?
Not confirmed. CVE-2026-37232 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 0.39% probability of exploitation in the next 30 days.
How severe is CVE-2026-37232?
CVE-2026-37232 is rated High with a CVSS score of 8.6. 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-2026-37232?
Yes. A fix has been recorded for CVE-2026-37232. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-37232 affect?
CVE-2026-37232 affects OpenAirInterface5G nr-softmodem 2.4.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-37232?
Patch when available; enable rate limits; monitor E42_RIC subscriptions.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker sending high-rate E42_RIC_SUBSCRIPTION_REQUESTs can trigger a zero divisor in PRB calc, crashing nr-softmodem and halting 5G service.
Immediate action required