CVE-2025-21452

HIGHNVD 7.57.5—Trending — 3 sources updated this week

7.5

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

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 34.5%
KEV: Not listed

Published

August 6, 2025

Last Modified

August 20, 2025

References (1)

product-security@qualcommhttps://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-617

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 00:50 UTCEG score recompute
2026-05-30 00:50 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-21452?

CVE-2025-21452 is a high vulnerability published on August 6, 2025. Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.

When was CVE-2025-21452 disclosed?

CVE-2025-21452 was first published in the National Vulnerability Database on August 6, 2025, with the most recent update on August 20, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-21452 actively exploited?

CVE-2025-21452 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 34.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-21452?

CVE-2025-21452 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2025-21452?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-21452, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-21452

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-21452?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)