CVE-2025-21452

high-risk
Published 2025-08-06

Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Vendors

55
/ 100
high-risk
Severity 26/34 · High
Exploitability 0/34 · Minimal
Exposure 29/34 · Critical