CVE-2024-23385Network attack vector

Modem reset via malformed MAC RAR

Published Nov 4, 2024 · Updated Nov 4, 2024

Reachable assertion in Qualcomm Snapdragon modem firmware allows remote attackers to reset the modem via a malformed MAC RAR PDU. Processing an unexpected MAC random-access response with an invalid PDU length reaches an assertion in the UE modem and forces a reset. No authentication or user interaction is required; the documented consequence is a transient service interruption, not data access or code execution.

CVSS severity7.5
High
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Reachable assertion in Qualcomm Snapdragon modem firmware allows remote attackers to reset the modem via a malformed MAC RAR PDU. Processing an unexpected MAC random-access response with an invalid PDU length reaches an assertion in the UE modem and forces a reset. No authentication or user interaction is required; the documented consequence is a transient service interruption, not data access or code execution.

The record

CVE
CVE-2024-23385
Published
Nov 4, 2024
Updated
Nov 4, 2024
Vendor
Qualcomm
Product
Qualcomm WCN3660B Firmware
Classifications
CWE-617, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Qualcomm WCN3660B Firmwareversion=0 <=*
Qualcomm · WCD9326 Firmwareversion=0 <=*
Qualcomm · QCA6698AQ Firmwareversion=0 <=*
Qualcomm · WCD9390 Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6595AU Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 4 Gen 1 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 210 Processor Firmwareversion=0 <=*
Qualcomm · Qualcomm WCD9375 Firmwareversion=0 <=*
Qualcomm · QCN6274 Firmwareversion=0 <=*
Qualcomm · Snapdragon X72 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · Qualcomm SG8275P Firmwareversion=0 <=*
Qualcomm · Qualcomm SM8550P Firmwareversion=0 <=*
Qualcomm · WSA8810 Firmwareversion=0 <=*
Qualcomm · QCA8337 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 429 Mobile Platform Firmwareversion=0 <=*
Qualcomm · QCA8081 Firmwareversion=0 <=*
Qualcomm · FastConnect 7800 Firmwareversion=0 <=*
Qualcomm · WCN3680B Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 430 Mobile Platform Firmwareversion=0 <=*
Qualcomm · FSM10056 Firmwareversion=0 <=*
Qualcomm · QCM4490 Firmwareversion=0 <=*
Qualcomm · WCD9360 Firmwareversion=0 <=*
Qualcomm · MSM8108 Firmwareversion=0 <=*
Qualcomm · SM8635 Firmwareversion=0 <=*
Qualcomm · Snapdragon X65 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · Snapdragonversion=APQ8017; version=APQ8037; version=AR8035; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6900; version=FastConnect 7800; version=FSM10055; version=FSM10056; version=MSM8108; version=MSM8209; version=MSM8608; version=QCA6174A; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA8081; version=QCA8337; version=QCC710; version=QCM4490; version=QCM8550; version=QCN6024; version=QCN6224; version=QCN6274; version=QCN9024; version=QCS4490; version=QCS8550; version=QEP8111; version=QFW7114; version=QFW7124; version=Qualcomm 205 Mobile Platform; version=SDM429W; version=SDX55; version=SDX57M; version=SDX61; version=SDX71M; version=SG8275P; version=SM6370; version=SM8550P; version=SM8635; version=Smart Audio 200 Platform; version=Snapdragon 208 Processor; version=Snapdragon 210 Processor; version=Snapdragon 212 Mobile Platform; version=Snapdragon 425 Mobile Platform; version=Snapdragon 429 Mobile Platform; version=Snapdragon 430 Mobile Platform; version=Snapdragon 439 Mobile Platform; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8+ Gen 1 Mobile Platform; version=Snapdragon 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon 8 Gen 3 Mobile Platform; version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon Wear 4100+ Platform; version=Snapdragon X35 5G Modem-RF System; version=Snapdragon X62 5G Modem-RF System; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X70 Modem-RF System; version=Snapdragon X72 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=WCD9326; version=WCD9340; version=WCD9360; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3610; version=WCN3615; version=WCN3620; version=WCN3660B; version=WCN3680B; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN6755; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H
Qualcomm · Qualcomm SDX61 Firmwareversion=0 <=*
Qualcomm · MSM8608 Firmwareversion=0 <=*
Qualcomm · MSM8209 Firmwareversion=0 <=*
Qualcomm · WSA8845H Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 8 Gen 1 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 695 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · Snapdragon X70 Modem-RF System Firmwareversion=0 <=*
Qualcomm · FastConnect 6700 Firmwareversion=0 <=*
Qualcomm · FastConnect 6900 Firmwareversion=0 <=*
Qualcomm · QEP8111 Firmwareversion=0 <=*
Qualcomm · QCS4490 Firmwareversion=0 <=*
Qualcomm · QCM8550 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 480 5G Mobile Platform Firmwareversion=0 <=*
Qualcomm · QCS8550 Firmwareversion=0 <=*
Qualcomm · WCD9370 Firmwareversion=0 <=*
Qualcomm · WSA8845 Firmwareversion=0 <=*
Qualcomm · QFW7124 Firmwareversion=0 <=*
Qualcomm · QCN6224 Firmwareversion=0 <=*
Qualcomm · Snapdragon X62 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · Snapdragon 8 Gen 2 Mobile Platform Firmwareversion=0 <=*
Qualcomm · WCN3988 Firmwareversion=0 <=*
Qualcomm · Snapdragon X35 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · WCD9395 Firmwareversion=0 <=*
Qualcomm · QCA6574AU Firmwareversion=0 <=*
Qualcomm · Qualcomm WCN3615 Firmwareversion=0 <=*
Qualcomm · QCA6584AU Firmwareversion=0 <=*
Qualcomm · APQ8037 Firmwareversion=0 <=*
Qualcomm · WCD9380 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 439 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm QCA6574A Firmwareversion=0 <=*
Qualcomm · WCN6755 Firmwareversion=0 <=*
Qualcomm · WSA8840 Firmwareversion=0 <=*
Qualcomm · Snapdragon Auto 5G Modem-RF Gen 2 Firmwareversion=0 <=*
Qualcomm · APQ8017 Firmwareversion=0 <=*
Qualcomm · QCN6024 Firmwareversion=0 <=*
Qualcomm · Qualcomm SDX57M Firmwareversion=0 <=*
Qualcomm · Qualcomm SM6370 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 208 Processor Firmwareversion=0 <=*
Qualcomm · Qualcomm WCN3610 Firmwareversion=0 <=*
Qualcomm · Qualcomm WCN3620 Firmwareversion=0 <=*
Qualcomm · Qualcomm SDX71M Firmwareversion=0 <=*
Qualcomm · FastConnect 6200 Firmwareversion=0 <=*
Qualcomm · AR8035 Firmwareversion=0 <=*
Qualcomm · Qualcomm FSM10055 Firmwareversion=0 <=*
Qualcomm · QCN9024 Firmwareversion=0 <=*
Qualcomm · QCC710 Firmwareversion=0 <=*
Qualcomm · QCA6174A Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 212 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm 205 Mobile Platform Firmwareversion=0 <=*
Qualcomm · Qualcomm SDX55 Firmwareversion=0 <=*
Qualcomm · WCN3950 Firmwareversion=0 <=*
Qualcomm · WSA8830 Firmwareversion=0 <=*
Qualcomm · Qualcomm Snapdragon 425 Mobile Platform Firmwareversion=0 <=*
Qualcomm · WCD9385 Firmwareversion=0 <=*
Qualcomm · WCD9340 Firmwareversion=0 <=*
Qualcomm · WCN3980 Firmwareversion=0 <=*
Qualcomm · WSA8835 Firmwareversion=0 <=*
Qualcomm · Qualcomm Smart Audio 200 Platform Firmwareversion=0 <=*
Qualcomm · WSA8832 Firmwareversion=0 <=*
Qualcomm · Snapdragon X75 5G Modem-RF System Firmwareversion=0 <=*
Qualcomm · QCA6696 Firmwareversion=0 <=*
Qualcomm · Snapdragon 8 Gen 3 Mobile Platform Firmwareversion=0 <=*
Qualcomm · QFW7114 Firmwareversion=0 <=*
Qualcomm · SDM429W Firmwareversion=0 <=*
Qualcomm · WSA8815 Firmwareversion=0 <=*

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.5Qualcomm, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-617Reachable Assertion
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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