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NVD / CVE Program· CNA MediaTek

CVE-2022-32663: In Wi-Fi driver, there is a possible system crash due to null pointer dereference.

Noroxi assessment

Priority: Monitor (action score 30/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 1.5% (FIRST EPSS); higher than 75.5% of all records.
  • 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.
  • According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In Wi-Fi driver, there is a possible system crash due to null pointer dereference. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220720014; Issue ID: GN20220720014.

HighCVSS 7.5 · v3.1—No exploit No fix recorded
Published
Feb 6, 2023
Updated
Jun 17, 2026
EPSS
1.5% · 75th percentile

Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.5%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2022-32663

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
mediatekmt5221 firmware
mediatekmt5221
mediatekmt7603 firmware
mediatekmt7603
mediatekmt7613 firmware
mediatekmt7613
mediatekmt7615 firmware
mediatekmt7615
mediatekmt7622 firmware
mediatekmt7622
mediatekmt7628 firmware
mediatekmt7628

and 32 more

Affected versions

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

  • mediatek mt5221 firmware7.6.6.1
  • mediatek mt7603 firmware7.6.6.1
  • mediatek mt7613 firmware7.6.6.1
  • mediatek mt7615 firmware7.6.6.1
  • mediatek mt7622 firmware7.6.6.1
  • mediatek mt7628 firmware7.6.6.1
  • mediatek mt7629 firmware7.6.6.1
  • mediatek mt7668 firmware7.6.6.1
  • mediatek mt7902 firmware7.6.6.1
  • mediatek mt7915 firmware7.6.6.1
  • mediatek mt7916 firmware7.6.6.1
  • mediatek mt7921 firmware7.6.6.1
  • mediatek mt7981 firmware7.6.6.1
  • mediatek mt7986 firmware7.6.6.1
  • mediatek mt8167s firmware7.6.6.1
  • mediatek mt8175 firmware7.6.6.1
  • mediatek mt8362a firmware7.6.6.1
  • mediatek mt8365 firmware7.6.6.1
  • mediatek mt8385 firmware7.6.6.1
  • mediatek mt8518s firmware7.6.6.1

Versions reported by the vendor

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

  • MediaTek, Inc. MT5221, MT7603, MT7613, MT7615, MT7622, MT7628, MT7629, MT7668, MT7902, MT7915, MT7916, MT7921, MT7981, MT7986, MT8167S, MT8175, MT8362A, MT8365, MT8385, MT8518S, MT8532, MT8788

    • 7.6.6.1affected

Same product

mediatek: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-32656In Wi-Fi driver, there is a possible undefined behavior due to incorrect error handling.
    26Monitor
  • CVE-2022-32655In Wi-Fi driver, there is a possible undefined behavior due to incorrect error handling.
    26Monitor
  • CVE-2022-32654In Wi-Fi driver, there is a possible undefined behavior due to incorrect error handling.
    26Monitor

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.

Credits

All researchers

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

Weakness class (CWE)

CWE-476 · NULL Pointer Dereference

CVSS vector

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

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