CVE-2024-49839
Buffer Over-read in WLAN Host Cmn
No known exploitation. EPSS puts it in the 20th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Memory corruption during management frame processing due to mismatch in T2LM info element.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.3% chance of exploitation activity in the next 30 days, which ranks it in the 20th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 189 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- ar8035 firmwareHardware Firmware
- csr8811 firmwareHardware Firmware
- fastconnect 6700 firmwareHardware Firmware
- fastconnect 6900 firmwareHardware Firmware
- fastconnect 7800 firmwareHardware Firmware
- immersive home 214 firmwareHardware Firmware
- immersive home 216 firmwareHardware Firmware
- immersive home 316 firmwareHardware Firmware
And 363 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Scored 8.2 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity NoneNo integrity impact
- Availability LowReduced performance or intermittent disruption of service
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- docs.qualcomm.com/product/publicresources/securitybulletin/february-2025-bulletin.html
- docs.qualcomm.com/product/publicresources/securitybulletin/february-2025-bulletin.html&
- git.codelinaro.org/clo/la/platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn/-/commit/4f3dcb1672f396d621cb562a371cd00629ff188d
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