Vulnerability · CVE-2025-21452
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.
Published Aug 6, 2025 · catalog updated Aug 6, 2025 · Qualcomm, Inc. Snapdragon
Last checked Oct 27, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-21452. EPSS is 0.23%. Act only if a listed version of Qualcomm, Inc. Snapdragon is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-47370 · Medium
- CVE-2025-47368 · High
- CVE-2025-47367 · High
- CVE-2025-47365 · High
- CVE-2025-47362 · Medium
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.23%
- Remediation
- Advisory link
- Affected products
- vendor Qualcomm, Inc. Snapdragon FSM10055
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Qualcomm, Inc. Snapdragon FSM10055FSM10055
How to fix CVE-2025-21452
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-21452. EPSS is 0.23%. Act only if a listed version of Qualcomm, Inc. Snapdragon is installed.
Which versions are affected?
Compare what you have installed with Qualcomm, Inc. Snapdragon FSM10055 FSM10055. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 6, 2025 · EUVD
Detected
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.
Aug 6, 2025 · EUVD
Updated
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.
Sources
- CVE.orgVulnerability recordCVE-2025-21452
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-21452
30-day exploitation probability 0.23%
first.org - EUVDVulnerability recordEUVD-2025-23810
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 27, 2026
- CVE.orgOct 21, 2026
- EUVDOct 20, 2026