← console
voxell vciy

CVE-2024-21466: Integer Underflow (Wrap or Wraparound) in WLAN Host Communication

ROUTINE

Telemetry drift only. No threshold crossed and no authority ruling changed.

CVE record, CISA KEV and EPSS as of 2026-10-18.

CVEs like this one computed, by meaning

What to do now held facts and links

  1. No fix version is held. The CNA's first reference is the place to look: docs.qualcomm.com
  2. Record your decision, dated and frozen with today's evidence: patch by a date · mitigated by a compensating control · deferred · accepted the risk · not affected
  3. Check your version against the ranges this record publishes.

What it is stated by the CNA

Information disclosure while parsing sub-IE length during new IE generation.

weakness
CWE-191 Integer Underflow (Wrap or Wraparound)
affected
Qualcomm, Inc. Snapdragon
versions
No affected-version range in held sources.
fixed in
No fix version in held sources.
fixed by package (from OSV advisories)
:unknown: (Android): SoCVersion:2024-07-05 PUB-A-318386769
severity
6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
assigned by
qualcomm
published
2024-07-01

check us docs.qualcomm.com

Exploit code held, dated

exploit code
None held in the PoC-in-GitHub feed. A public repository changes this brief.

What moved held, dated

dateEPSSevent
2 Jul 20240.00046
3 Jul 20240.00074
17 Dec 20240.00097
17 Mar 20250.00105scoring model v2025.03.14
27 Mar 20250.00116
29 Mar 20250.00242
30 Mar 20250.00116
15 Apr 20250.00084
17 Apr 20250.00091
27 Apr 20250.00101
9 Aug 20250.00084
10 Aug 20250.00127
18 Nov 20250.00157
21 Nov 20250.00172
15 Jun 20260.00213scoring model v2026.06.15

15 observations held. A step marked with a scoring model moved because the measurement was replaced, not because the vulnerability changed.

Outside the record researched, cited

This section reads the record's references and adds cited findings from outside it. It needs an account. Everything above is held facts and is complete without it.

Sign in to add the researched section

What would change this brief held, dated

CISA KEV
Not listed in the catalogue we hold. A listing changes this brief.
exploit probability
0.00 on 2026-06-15 (FIRST's EPSS, a probability and not evidence of exploitation). Next band line: 10% (0.10). Crossing a line changes this brief.
fix
No fix version is held. One published by the CNA or OSV changes this brief.

Watch this CVE What counts as a move

How to check this

Every value above is held with two dates: when it was true upstream (as_of) and when we recorded it (tx_from). Re-derive the exploit probability as it stood on any date:

SELECT value, source, source_version, as_of, tx_from
FROM volatile_valid_as_of('CVE-2024-21466', '2026-10-30T23:59:59.999999Z', now());