Security Resilience

CVE-2023-43511

DoS in Qualcomm Snapdragon 8C Compute Platform Firmware

DoS
Published
02 January 2024
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 0.0032 24th percentile
Risk Priority 57 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-43511 is a high-severity Infinite Loop (CWE-835) vulnerability in Qualcomm Snapdragon 8C Compute Platform Firmware. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Data Obfuscation (T1001); ranked at the 24th 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 SI-2 (Flaw Remediation) — see the control section below for these in your framework.

EU & UK References

Vulnerability Data

Transient DOS while parsing IPv6 extension header when WLAN firmware receives an IPv6 packet that contains `IPPROTO_NONE` as the next header.

CWE(s)
CWE-835

Related Threats

MITRE ATT&CK Enterprise Techniques

T1001 Data Obfuscation Command And Control
Adversaries may obfuscate command and control traffic to make it more difficult to detect.
attack.mitre.org →
T1003.003 NTDS Credential Access
Adversaries may attempt to access or create a copy of the Active Directory domain database in order to steal credential information, as well as obtain other information about domain members such as devices, users, and access rights.
attack.mitre.org →
T1003.005 Cached Domain Credentials Credential Access
Adversaries may attempt to access cached domain credentials used to allow authentication to occur in the event a domain controller is unavailable.
attack.mitre.org →
T1003.008 /etc/passwd and /etc/shadow Credential Access
Adversaries may attempt to dump the contents of <code>/etc/passwd</code> and <code>/etc/shadow</code> to enable offline password cracking.
attack.mitre.org →
T1007 System Service Discovery Discovery
Adversaries may try to gather information about registered local system services.
attack.mitre.org →
T1011.001 Exfiltration Over Bluetooth Exfiltration
Adversaries may attempt to exfiltrate data over Bluetooth rather than the command and control channel.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-23352Same product: Qualcomm 315 5G Iot Modem
CVE-2023-33109Same product: Qualcomm 315 5G Iot Modem
CVE-2023-33062Same product: Qualcomm 315 5G Iot Modem
CVE-2023-33088Same product: Qualcomm 315 5G Iot Modem
CVE-2023-43536Same product: Qualcomm 315 5G Iot Modem
CVE-2023-28557Same product: Qualcomm 315 5G Iot Modem
CVE-2024-33014Same product: Qualcomm 315 5G Iot Modem
CVE-2023-43522Same product: Qualcomm Aqt1000
CVE-2023-33080Same product: Qualcomm 315 5G Iot Modem
CVE-2023-33098Same product: Qualcomm 315 5G Iot Modem

Affected Assets

qualcomm
315 5g iot modem firmware
all versions
qualcomm
9206 lte modem firmware
all versions
qualcomm
apq8017 firmware
all versions
qualcomm
apq8064au firmware
all versions
qualcomm
apq8092 firmware
all versions
qualcomm
apq8094 firmware
all versions
qualcomm
aqt1000 firmware
all versions
qualcomm
ar8031 firmware
all versions
qualcomm
ar8035 firmware
all versions
qualcomm
ar9380 firmware
all versions
+346 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 unreachable loop exit conditions through static analysis, fuzzing, or execution tracing.

SI-2 Flaw Remediation good match

Flaw remediation processes identify and correct infinite-loop defects reported from testing or operations.

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

Requiring documented development processes and secure coding standards reduces introduction of loops whose termination conditions are unreachable.

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.

ID.RA-01 partial match
blocks

Static analysis and vuln scanning during asset assessment can detect unreachable loop exits.

PR.PS-06 partial match
blocks

Secure SDLC practices (reviews, testing, static analysis) directly prevent introduction of infinite-loop defects.

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.5.14 Information transfer partial match
removes
A.5.15 Access control partial match
removes
A.5.16 Identity management partial match
removes
A.5.17 Authentication information partial match
removes
A.5.18 Access rights partial match
removes
A.8.10 Information deletion partial match
removes

References