Cyber Resilience

CVE-2023-33089

Memory Safety in Qualcomm 315 5G Iot Modem Firmware

Memory Safety
Published
05 December 2023
Modified
11 August 2025
Patch / advisory
View advisory
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0047 39th percentile
Risk Priority 57 floored blend · peak EPSS

Summary

CVE-2023-33089 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Qualcomm 315 5G Iot Modem Firmware. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Endpoint Denial of Service (T1499); ranked at the 39th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A10:2025 Mishandling of Exceptional Conditions

EU & UK References

Vulnerability Data

Transient DOS when processing a NULL buffer while parsing WLAN vdev.

CWE(s)
CWE-476

Related Threats

MITRE ATT&CK Enterprise Techniques

T1499 Endpoint Denial of Service Impact
Adversaries may perform Endpoint Denial of Service (DoS) attacks to degrade or block the availability of services to users.
attack.mitre.org →
T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
T1489 Service Stop Impact
Adversaries may stop or disable services on a system to render those services unavailable to legitimate users.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-33088Same product: Qualcomm 315 5G Iot Modem
CVE-2023-43522Same product: Qualcomm Aqt1000
CVE-2023-33109Same product: Qualcomm 315 5G Iot Modem
CVE-2023-33056Same product: Qualcomm Ar8035
CVE-2023-24847Same product: Qualcomm 315 5G Iot Modem
CVE-2024-23357Same product: Qualcomm Aqt1000
CVE-2023-33036Same product: Qualcomm Aqt1000
CVE-2025-59604Same product: Qualcomm Ar8035
CVE-2024-53024Same product: Qualcomm Ar8035
CVE-2025-59606Same product: Qualcomm Fastconnect 6200

Affected Assets

qualcomm
315 5g iot modem firmware
all versions
qualcomm
aqt1000 firmware
all versions
qualcomm
ar8035 firmware
all versions
qualcomm
ar9380 firmware
all versions
qualcomm
csr8811 firmware
all versions
qualcomm
csrb31024 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
+218 more product configuration(s) — see NVD for full list

Mitigating Controls

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 (static analysis, code review, safe coding standards) directly prevent NULL dereference bugs during development.

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 NULL dereference defects before release.

A.8.25 Secure development life cycle partial match
prevents

Secure SDLC mandates defensive coding practices that can prevent NULL dereferences.

A.8.26 Application security requirements partial match
prevents

Application security requirements can specify input validation and pointer-safety rules.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure architecture principles encourage defensive design that avoids unsafe pointer use.

A.8.28 Secure coding partial match
prevents

Secure coding standards directly require NULL-pointer checks and safe dereference patterns.

References