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CVE-2022-33271· NVD / CVE Program· CNA qualcomm

Buffer over-read in WLAN

Information disclosure due to buffer over-read in WLAN while parsing NMF frame.

HighCVSS 7.5 · v3.1—No exploit No fix recorded
Published
Feb 12, 2023
Updated
Jun 17, 2026
EPSS
0.4% · 29th percentile
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Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
7.5
CNA · qualcomm
8.2
0.7 point gap

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
qualcommapq8096au firmware
qualcommapq8096au
qualcommaqt1000 firmware
qualcommaqt1000
qualcommar8031 firmware
qualcommar8031
qualcommar8035 firmware
qualcommar8035
qualcommar9380 firmware
qualcommar9380
qualcommcsr8811 firmware
qualcommcsr8811

and 188 more

Affected versions

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

  • qualcomm apq8096au firmwareall versions
  • qualcomm aqt1000 firmwareall versions
  • qualcomm ar8031 firmwareall versions
  • qualcomm ar8035 firmwareall versions
  • qualcomm ar9380 firmwareall versions
  • qualcomm csr8811 firmwareall versions
  • qualcomm csra6620 firmwareall versions
  • qualcomm csra6640 firmwareall versions
  • qualcomm csrb31024 firmwareall versions
  • qualcomm ipq5010 firmwareall versions
  • qualcomm ipq5018 firmwareall versions
  • qualcomm ipq5028 firmwareall versions
  • qualcomm ipq6000 firmwareall versions
  • qualcomm ipq6010 firmwareall versions
  • qualcomm ipq6018 firmwareall versions
  • qualcomm ipq6028 firmwareall versions
  • qualcomm ipq8064 firmwareall versions
  • qualcomm ipq8065 firmwareall versions
  • qualcomm ipq8068 firmwareall versions
  • qualcomm ipq8070 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

    • APQ8096AU, AQT1000, AR8031, AR8035, AR9380, CSR8811, CSRA6620, CSRA6640, CSRB31024, IPQ5010, IPQ5018, IPQ5028 … (+28)affected

Other highest-scoring records for the same primary product.

  • CVE-2019-14045Possible buffer overflow while processing clientlog and serverlog due to lack of validation of data received in logs in Snapdragon Auto, Sna
    39Monitor
  • CVE-2021-35117An Out of Bounds read may potentially occur while processing an IBSS beacon, in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity
    36Monitor
  • CVE-2020-11126Possible out of bound read while WLAN frame parsing due to lack of check for body and header length in Snapdragon Auto, Snapdragon Compute,
    36Monitor
  • CVE-2022-33280Access of uninitialized pointer in Bluetooth HOST
    35Monitor
  • CVE-2023-21654Improper Restriction of Operations within the Bounds of a Memory Buffer in Audio
    31Monitor
  • CVE-2023-21649Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in WLAN
    31Monitor

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
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-126 · Buffer Over-read

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

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.

All records