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CVE Record

CVE-2023-43523: Reachable Assertion in WLAN Firmware

Transient DOS while processing 11AZ RTT management action frame received through OTA.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw can let nearby over-the-air Wi-Fi traffic trigger a temporary denial of service in affected Qualcomm WLAN firmware. The business impact is service disruption, not data theft, based on the supplied CVSS metrics showing no confidentiality or integrity impact.

Executive priority

Treat as a high-priority availability issue for environments dependent on Qualcomm-based Wi-Fi devices. It is not described as a data compromise flaw, but broad chipset coverage means asset mapping and vendor firmware follow-up should start promptly.

Technical view

CVE-2023-43523 is a CWE-617 reachable assertion in Qualcomm Snapdragon WLAN firmware while processing an 11AZ RTT management action frame received over the air. CVSS 3.1 is 7.5: network adjacent attack surface, low complexity, no privileges, no user interaction, and high availability impact.

Likely exposure

Exposure is likely in devices using the listed Qualcomm Snapdragon, FastConnect, IPQ, QCA, QCN, WCN, and related WLAN-capable components. The bundle lists chipsets and platforms, not OEM device models, so validation requires mapping hardware and firmware from asset inventory or vendor SBOMs.

Exploitation context

The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. The described vector is over-the-air processing of Wi-Fi management action frames, suggesting risk is greatest where vulnerable wireless devices are reachable by nearby radio traffic.

Researcher notes

The bundle identifies a reachable assertion in WLAN firmware during 11AZ RTT management action frame handling. It does not include fixed version details, proof-of-concept status, exploit telemetry, or OEM model mappings. Avoid assuming exploitability beyond the stated transient denial-of-service impact.

Mitigation direction

  • Check Qualcomm's February 2024 bulletin and OEM advisories for applicable firmware updates.
  • Prioritize wireless infrastructure, mobile, automotive, XR, and embedded devices using listed components.
  • Ask device vendors for fixed firmware status when exact versions are not published internally.
  • Apply compensating availability monitoring for critical WLAN-dependent services until patched.
  • Document any unsupported affected devices for replacement or risk acceptance.

Validation and detection

  • Inventory devices for the listed Qualcomm WLAN chipsets and platforms.
  • Confirm firmware versions against Qualcomm and OEM security bulletin guidance.
  • Check whether affected devices are deployed in business-critical wireless paths.
  • Review logs and monitoring for unexplained WLAN resets or transient connectivity loss.
  • Track remediation evidence by device model, firmware version, and deployment date.
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-617: 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-2023-43523 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
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2023-43523Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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.SnapdragonAR8035, CSR8811, FastConnect 6800, FastConnect 6900, FastConnect 7800, Immersive Home 214 Platform, Immersive Home 216 Platform, Immersive Home 316 Platform, Immersive Home 318 Platform, Immersive Home 3210 Platform, Immersive Home 326 Platform, IPQ5010, IPQ5028, IPQ5302, IPQ5312, IPQ5332, IPQ6000, IPQ6010, IPQ6018, IPQ6028, IPQ8070A, IPQ8071A, IPQ8072A, IPQ8074A, IPQ8076, IPQ8076A, IPQ8078, IPQ8078A, IPQ8173, IPQ8174, IPQ9008, IPQ9554, IPQ9570, IPQ9574, QAM8255P, QAM8650P, QAM8775P, QCA0000, QCA4024, QCA6391, QCA6426, QCA6436, QCA6554A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA6698AQ, QCA6797AQ, QCA8072, QCA8075, QCA8081, QCA8082, QCA8084, QCA8085, QCA8337, QCA8386, QCA9888, QCA9889, QCC2073, QCC2076, QCC710, QCF8000, QCF8001, QCM8550, QCN5022, QCN5024, QCN5052, QCN5054, QCN5122, QCN5124, QCN5152, QCN5154, QCN5164, QCN6023, QCN6024, QCN6122, QCN6132, QCN6224, QCN6274, QCN6402, QCN6412, QCN6422, QCN6432, QCN9000, QCN9001, QCN9002, QCN9003, QCN9012, QCN9013, QCN9022, QCN9024, QCN9070, QCN9072, QCN9074, QCN9100, QCN9274, QCS8550, QFW7114, QFW7124, SC8380XP, SD 8 Gen1 5G, SD865 5G, SDX65M, SG8275P, SM8550P, Snapdragon 8 Gen 1 Mobile Platform, Snapdragon 8 Gen 2 Mobile Platform, Snapdragon 8 Gen 3 Mobile Platform, Snapdragon 8+ Gen 2 Mobile Platform, Snapdragon 865 5G Mobile Platform, Snapdragon 865+ 5G Mobile Platform (SM8250-AB), Snapdragon 870 5G Mobile Platform (SM8250-AC), Snapdragon AR2 Gen 1 Platform, Snapdragon X55 5G Modem-RF System, Snapdragon X65 5G Modem-RF System, Snapdragon X75 5G Modem-RF System, Snapdragon XR2 5G Platform, Snapdragon XR2+ Gen 1 Platform, SSG2115P, SSG2125P, SXR1230P, SXR2130, SXR2230P, WCD9340, WCD9380, WCD9385, WCD9390, WCD9395, WCN6740, WSA8810, WSA8815, WSA8830, WSA8832, WSA8835, WSA8840, WSA8845, WSA8845Hunaffected
Weakness

CWE details

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

CWE-617 · source CWE mapping

Reachable Assertion

Reachable Assertion represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.