LiveActive security incident?Get immediate response
CVE Record

CVE-2017-17772: Multiple buffer overread vulnerabilities in WLAN

In multiple functions that process 802.11 frames, out-of-bounds reads can occur due to insufficient validation.

HighCVSS 8.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This is a high-severity Qualcomm Snapdragon WLAN issue. A nearby network attacker may be able to trigger out-of-bounds reads in Wi-Fi frame handling without credentials or user interaction. The source bundle does not cite active exploitation, but the impact rating spans confidentiality, integrity, and availability, so exposed or unsupported devices deserve prompt review.

Executive priority

Prioritize as a high-risk legacy wireless exposure review. The issue is severe and remotely reachable over the network path, but the provided sources do not show active exploitation or identify affected OEM models. Focus first on critical assets, unsupported devices, and environments where untrusted wireless proximity is realistic.

Technical view

Multiple functions processing 802.11 frames can perform buffer overreads because validation is insufficient. CVE maps to CWE-126 and carries CVSS 3.1 8.8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Listed affected Snapdragon platforms include SD 450, 625, 820, 820A, 835, 845, and 850; other products are not established by sources.

Likely exposure

Exposure is most likely in devices using the listed Snapdragon platforms with Qualcomm WLAN firmware or drivers from the affected period. The provided sources do not identify specific phone, tablet, laptop, automotive, or IoT models, so exposure must be determined through chipset, firmware, and OEM support records.

Exploitation context

The CVSS vector indicates network attackability, low complexity, no privileges, and no user interaction. The source bundle does not include exploit details, public proof-of-concept evidence, or KEV listing. Treat exploitation as plausible from wireless proximity, but not confirmed as active from the provided evidence.

Researcher notes

Evidence is limited to the CVE record, CVE List entry, and Qualcomm bulletin reference. Do not broaden affected scope beyond the listed Snapdragon platforms without OEM confirmation. Validation should emphasize asset identification, firmware lineage, and vendor advisory matching rather than exploit reproduction.

Mitigation direction

  • Review Qualcomm May 2018 bulletin and relevant OEM firmware advisories.
  • Inventory assets using Snapdragon SD 450, 625, 820, 820A, 835, 845, or 850.
  • Apply vendor or OEM WLAN firmware updates where available.
  • Prioritize replacement or isolation for unsupported affected devices.
  • Monitor vendor guidance for any newer clarifications or fixes.

Validation and detection

  • Map device models to Snapdragon platform and WLAN firmware versions.
  • Confirm patch status through OEM release notes or device management telemetry.
  • Check whether unsupported affected devices remain on production networks.
  • Review wireless security monitoring for unusual WLAN crash or instability patterns.
  • Document evidence gaps where chipset or firmware cannot be confirmed.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-126: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2017-17772 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2017-17772Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Qualcomm, Inc.SnapdragonSD 450, SD 625, SD 820, SD 820A, SD 835, SD 845, SD 850unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-126 · source CWE mapping

Buffer Over-read

Buffer Over-read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.