CVE Intelligence
Medium Input validation

CVE-2020-12322 — Improper Input Validation in Intel Dual Band Wireless-ac 3165 Firmware

Improper input validation in some Intel(R) Wireless Bluetooth(R) products before version 21.110 may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Published Nov 12, 2020 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: intel

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.
How the score was calculated
  • EPSS 0.5% (30-day exploitation probability)+6
  • Technical severity (medium)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation
Not confirmed
Not in CISA KEV — an absence of record, not proof it is unexploited.
EPSS FIRST
0.46%
ahead of 38% of scored CVEs · Oct 14, 2026
Affects
Intel
Dual Band Wireless-ac 3165 Firmware and 10 more
CVSS base
6.5
Medium · 1 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script the kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

  • Documented patch — www.intel.com (NIST National Vulnerability Database)

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

  1. Identify exposed assets running the affected vendor/product/version combinations (Intel Dual Band Wireless-ac 3165 Firmware, Intel Dual Band Wireless-ac 3168 Firmware, Intel Dual Band Wireless-ac 8260 Firmware…).
  2. Apply the fixed version or the patch documented under Remediation.
  3. Search available logs for exploit probes matching the vulnerability class (input validation), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

VendorProductVersionsStatusSource
Intel Dual Band Wireless-ac 3165 Firmware < 21.110 Vulnerable NIST National Vulnerability Database
Intel Dual Band Wireless-ac 3168 Firmware < 21.110 Vulnerable NIST National Vulnerability Database
Intel Dual Band Wireless-ac 8260 Firmware < 21.110 Vulnerable NIST National Vulnerability Database
Intel Dual Band Wireless-ac 8265 Firmware < 21.110 Vulnerable NIST National Vulnerability Database
Intel Wi-fi 6 Ax200 Firmware < 21.110 Vulnerable NIST National Vulnerability Database
Intel Wi-fi 6 Ax201 Firmware < 21.110 Vulnerable NIST National Vulnerability Database
Intel Wireless 7265 (rev D) Firmware < 21.110 Vulnerable NIST National Vulnerability Database
Intel Wireless-ac 9260 Firmware < 21.110 Vulnerable NIST National Vulnerability Database
Intel Wireless-ac 9461 Firmware < 21.110 Vulnerable NIST National Vulnerability Database
Intel Wireless-ac 9462 Firmware < 21.110 Vulnerable NIST National Vulnerability Database
Intel Wireless-ac 9560 Firmware < 21.110 Vulnerable NIST National Vulnerability Database

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector
Adjacent
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactScored by
6.5 CVSS 3.1 Medium 2.8 3.6 nvd@nist.gov via NIST National Vulnerability Database
3.3 CVSS 2.0 Low 6.5 2.9 nvd@nist.gov via NIST National Vulnerability Database
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (score shown at the top: nvd@nist.gov)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-20 · Improper Input Validation

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 0.46%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

  • Not enough vector or weakness data: use the affected application’s logs as a starting point.
application logs

Timeline

What happened to this CVE, newest first.

  • 2026
  • SSVC assessment updated
    Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
  • Record published
    Oct 13, 2026
  • Fix documented
    Oct 13, 2026 · NIST National Vulnerability Database
  • CVSS changed · 6.5
    Oct 13, 2026 · NIST National Vulnerability Database
  • Source status changed · → Modified
    Oct 13, 2026 · NIST National Vulnerability Database
  • Record created in this database
    Oct 13, 2026 · NIST National Vulnerability Database
  • 2020
  • CVE published
    Nov 12, 2020 · intel

Source activity

Repeated readings are counted rather than listed.

  • 1× Official description updated · Oct 13, 2026 – Oct 13, 2026

References

1 on the record

Elsewhere on this site

Intel
every CVE for this vendor
CWE-20
other pages naming this weakness

Related CVEs (same products)

  • Medium CVE-2020-26140 Use of a Broken or Risky Cryptographic Algorithm in Alfa Awus036h Firmware May 11, 2021
  • Low CVE-2020-24588 The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired... May 11, 2021
  • High CVE-2020-12321 Improper buffer restriction in some Intel(R) Wireless Bluetooth(R) products before… Nov 12, 2020

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2020-12322 is "Improper Input Validation in Intel Dual Band Wireless-ac 3165 Firmware", rated Medium. It affects Dual Band Wireless-ac 3165 Firmware (Intel); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 6.5 describes technical severity. EPSS 0.46% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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