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CVE-2018-11940· NVD / CVE Program· CNA qualcomm

Lack of check in length before using memcpy in WLAN function can lead to OOB access in Snapdragon Auto, Snapdragon Compute, Snapdragon Consu

Lack of check in length before using memcpy in WLAN function can lead to OOB access in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCS605, SD 625, SD 636, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM630, SDM660, SDX20, SDX24, SXR1130

CriticalCVSS 9.8 · v3.0—No exploit No fix recorded
Published
May 24, 2019
Updated
Jun 16, 2026
EPSS
0.9% · 60th percentile
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Report tools

JSON

Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.9%

Affected systems

VendorProduct
qualcommmdm9150 firmware
qualcommmdm9150
qualcommmdm9206 firmware
qualcommmdm9206
qualcommmdm9607 firmware
qualcommmdm9607
qualcommmdm9640 firmware
qualcommmdm9640
qualcommmdm9650 firmware
qualcommmdm9650
qualcommmsm8996au firmware
qualcommmsm8996au

and 36 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • qualcomm mdm9150 firmwareall versions
  • qualcomm mdm9206 firmwareall versions
  • qualcomm mdm9607 firmwareall versions
  • qualcomm mdm9640 firmwareall versions
  • qualcomm mdm9650 firmwareall versions
  • qualcomm msm8996au firmwareall versions
  • qualcomm qcs605 firmwareall versions
  • qualcomm sd 625 firmwareall versions
  • qualcomm sd 636 firmwareall versions
  • qualcomm sd 670 firmwareall versions
  • qualcomm sd 710 firmwareall versions
  • qualcomm sd 712 firmwareall versions
  • qualcomm sd 820 firmwareall versions
  • qualcomm sd 820a firmwareall versions
  • qualcomm sd 835 firmwareall versions
  • qualcomm sd 845 firmwareall versions
  • qualcomm sd 850 firmwareall versions
  • qualcomm sd 855 firmwareall versions
  • qualcomm sda660 firmwareall versions
  • qualcomm sdm630 firmwareall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (qualcomm). Independent of NVD's CPE analysis and usually ahead of it.

  • Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

    • MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCS605, SD 625, SD 636, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM630, SDM660, SDX20, SDX24, SXR113affected

Other highest-scoring records for the same primary product.

  • CVE-2019-2332Memory corruption while accessing the memory as payload size is not validated before access in Snapdragon Auto, Snapdragon Compute, Snapdrag
    39Monitor
  • CVE-2019-2331Possible Integer overflow because of subtracting two integers without checking if the result would overflow or not in Snapdragon Auto, Snapd
    39Monitor
  • CVE-2019-2325Out of boundary access due to token received from ADSP and is used without validation as an index into the array in Snapdragon Auto, Snapdra
    39Monitor
  • CVE-2019-2324When ADSP is compromised, the audio port index that`s returned from ADSP might be out of the valid range and leads to out of boundary access
    39Monitor
  • CVE-2019-2323Lack of check to ensure crypto engine data passed by user is initialized can result in bus error in Snapdragon Auto, Snapdragon Compute, Sna
    39Monitor
  • CVE-2019-2283Improper validation of read and write index of tx and rx fifo`s before calculating pointer can lead to out-of-bound access in Snapdragon Aut
    39Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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