CVE-2023-43531

Memory Safety in Qualcomm Wsa8845 Firmware

Memory Safety

Published

06 May 2024

Modified

11 August 2025

Patch / advisory

View advisory

CVSS Score v3.1 8.4

Click a component to see what it means

Raw vector

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

EPSS Score 0.0011 2th percentile

Risk Priority 58 floored blend · peak EPSS

Summary

CVE-2023-43531 is a high-severity Access of Uninitialized Pointer (CWE-824) vulnerability in Qualcomm Wsa8845 Firmware. Its CVSS base score is 8.4 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SA-15 (Development Process, Standards, and Tools) — see the control section below for these in your framework.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2023-47937

Vulnerability Data

Memory corruption while verifying the serialized header when the key pairs are generated.

CWE(s): CWE-824

Related Threats

MITRE ATT&CK Enterprise Techniques

T1068 Exploitation for Privilege Escalation Privilege Escalation

Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.

attack.mitre.org →

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1203 Exploitation for Client Execution Execution

Adversaries may exploit software vulnerabilities in client applications to execute code.

attack.mitre.org →

T1210 Exploitation of Remote Services Lateral Movement

Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.

attack.mitre.org →

T1211 Exploitation for Stealth Stealth

Adversaries may exploit vulnerabilities to evade detection by hiding activity, suppressing logging, or operating within trusted or unmonitored components.

attack.mitre.org →

T1212 Exploitation for Credential Access Credential Access

Adversaries may exploit software vulnerabilities in an attempt to collect credentials.

attack.mitre.org →

Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-38420Same product: Qualcomm Ar8035

CVE-2024-21480Same product: Qualcomm Ar8035

CVE-2024-21463Same product: Qualcomm Ar8035

CVE-2024-23355Same product: Qualcomm Ar8035

CVE-2023-33076Same product: Qualcomm Ar8035

CVE-2023-24853Same product: Qualcomm Ar8035

CVE-2024-38402Same product: Qualcomm Ar8035

CVE-2024-33045Same product: Qualcomm Ar8035

CVE-2025-47346Same product: Qualcomm Ar8035

CVE-2023-43538Same product: Qualcomm Ar8035

Affected Assets

qualcomm

ar8035 firmware

all versions

qualcomm

fastconnect 6200 firmware

all versions

qualcomm

fastconnect 6700 firmware

all versions

qualcomm

fastconnect 6800 firmware

all versions

qualcomm

fastconnect 6900 firmware

all versions

qualcomm

fastconnect 7800 firmware

all versions

qualcomm

qam8255p firmware

all versions

qualcomm

qam8295p firmware

all versions

qualcomm

qam8650p firmware

all versions

qualcomm

qam8775p firmware

all versions

+118 more product configuration(s) — see NVD for full list

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SA-11 Developer Testing and Evaluation good match

Developer testing and evaluation can discover uninitialized pointer accesses through static analysis, dynamic testing, or fuzzing before deployment.

SA-15 Development Process, Standards, and Tools partial match

Requiring documented development processes and tools enables use of analyzers or coding standards that identify uninitialized pointer defects.

SA-8 Security and Privacy Engineering Principles partial match

Security engineering principles can mandate memory-safety practices and language choices that structurally avoid uninitialized pointer use.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match

prevents

Secure SDLC practices directly prevent uninitialized pointer bugs via coding standards, analysis, and reviews, but eliminating this single weakness only partially fulfills the broader control.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match

finds

Security testing can detect uninitialized pointer usage before release.

A.8.25 Secure development life cycle partial match

prevents

Secure development life cycle mandates practices that reduce uninitialized pointer defects.

A.8.26 Application security requirements partial match

degrades

Application security requirements can specify pointer initialization rules.

A.8.27 Secure system architecture and engineering principles partial match

degrades

Secure architecture principles discourage unsafe pointer handling.