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Vulnerabilities

Vulnerability · CVE-2025-21486

Memory corruption during dynamic process creation call when client is only passing address and length of shell binary.

Published Jun 3, 2025 · catalog updated Feb 26, 2026 · Qualcomm, Inc. Snapdragon

Check this week

CVE-2025-21486 is not in CISA KEV. FIRST estimates a 10.00% chance of exploitation in the next 30 days. Check whether you run Qualcomm, Inc. Snapdragon.

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.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
10.00%
Remediation
Advisory link
Affected products
vendor Qualcomm, Inc. Snapdragon WCN3980

Memory corruption during dynamic process creation call when client is only passing address and length of shell binary.

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 WCN3980WCN3980

How to fix CVE-2025-21486

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-21486 is not in CISA KEV. FIRST estimates a 10.00% chance of exploitation in the next 30 days. Check whether you run Qualcomm, Inc. Snapdragon.

Which versions are affected?

Compare what you have installed with Qualcomm, Inc. Snapdragon WCN3980 WCN3980. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 10.00%. 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.

  1. Feb 26, 2026 · EUVD

    Updated

    Memory corruption during dynamic process creation call when client is only passing address and length of shell binary.

  2. Oct 17, 2026 · Android Security Bulletins

    Detected

    CVE-2025-21486 is listed by Android Security Bulletin—June 2025 | Android Open Source Project.

Sources

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.