CVE-2023-43511
HighDDoS
Published: 02 January 2024
Published
02 January 2024
Modified
11 August 2025
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0032
55.9th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
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, ranked in the top 44.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-47917
Vulnerability details
Transient DOS while parsing IPv6 extension header when WLAN firmware receives an IPv6 packet that contains `IPPROTO_NONE` as the next header.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
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
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.