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Back to active CVEs
High · CVSS 7.5CVE-2025-21428

Buffer Over-read in WLAN HostCVE-2025-21428

Answer in brief

CVE-2025-21428 records a High severity (CVSS 7.5) vulnerability in Buffer Over-read in WLAN Host. The current sources do not mark it as known exploited. The current feed maps Qualcomm, Inc./Snapdragon (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Apr 7, 2025Updated Nov 3, 2026Source checked Nov 3, 2026First seen by HOL Nov 3, 2026Material review Nov 3, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Qualcomm, Inc./Snapdragon (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Qualcomm, Inc./Snapdragongeneric9206 LTE Modem || APQ8017 || AR8031 || C-V2X 9150 || CSRA6620 || CSRA6640 || FastConnect 6200 || FastConnect 6900 || MDM9250 || MDM9628 || MDM9640 || MDM9650 || MSM8996AU || QCA6174 || QCA6174A || QCA6175A || QCA6554A || QCA6564A || QCA6564AU || QCA6574 || QCA6574A || QCA6574AU || QCA6584 || QCA6584AU || QCA6595 || QCA6595AU || QCA6696 || QCA9367 || QCA9377 || QCA9379 || QCM2150 || QEP8111 || Qualcomm 205 Mobile Platform || Qualcomm 215 Mobile Platform || SA2150P || SD626 || SDM429W || Smart Audio 200 Platform || Smart Audio 400 Platform || Smart Display 200 Platform (APQ5053-AA) || Snapdragon 1200 Wearable Platform || Snapdragon 210 Processor || Snapdragon 212 Mobile Platform || Snapdragon 425 Mobile Platform || Snapdragon 429 Mobile Platform || Snapdragon 439 Mobile Platform || Snapdragon 625 Mobile Platform || Snapdragon 626 Mobile Platform || Snapdragon 632 Mobile Platform || Snapdragon 820 Automotive Platform || Snapdragon Auto 5G Modem-RF || Snapdragon X12 LTE Modem || Snapdragon X35 5G Modem-RF System || Snapdragon X5 LTE Modem || Vision Intelligence 100 Platform (APQ8053-AA) || Vision Intelligence 200 Platform (APQ8053-AC) || WCD9326 || WCD9330 || WCD9335 || WCD9340 || WCN3610 || WCN3615 || WCN3620 || WCN3660B || WCN3680 || WCN3680B || WCN3980 || WSA8810 || WSA8815Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Qualcomm, Inc./Snapdragon.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Apr 7, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 3, 2026

Sources and claim methodology

  • Source referencedocs.qualcomm.com
Upstream source description

Memory corruption occurs while connecting a STA to an AP and initiating an ADD TS request from the AP to establish a TSpec session.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Memory Corruption
EPSS
Not reported
CWE IDs
CWE-126
Source
CVE List V5
Source checked
Nov 3, 2026
References
1 linked source
Open source record