Buffer Over-read in Qualcomm IPC
Information Disclosure in Qualcomm IPC while reading values from shared memory in VM.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Nov 7, 2023
- Updated
- Jun 17, 2026
- EPSS
- 0.1% · 3th percentile
- CWE
- CWE-126
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Report tools
Action score
22
Monitor
Low priority for now.
- CVSS
- 22 / 40 · 5.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.1%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 5.5
- CNA · qualcomm
- 6.1
- 0.6 point gap
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| qualcomm | aqt1000 firmware | cpe:2.3:o:qualcomm:aqt1000_firmware |
| qualcomm | aqt1000 | cpe:2.3:h:qualcomm:aqt1000 |
| qualcomm | ar9380 firmware | cpe:2.3:o:qualcomm:ar9380_firmware |
| qualcomm | ar9380 | cpe:2.3:h:qualcomm:ar9380 |
| qualcomm | c-v2x 9150 firmware | cpe:2.3:o:qualcomm:c-v2x_9150_firmware |
| qualcomm | c-v2x 9150 | cpe:2.3:h:qualcomm:c-v2x_9150 |
| qualcomm | csr8811 firmware | cpe:2.3:o:qualcomm:csr8811_firmware |
| qualcomm | csr8811 | cpe:2.3:h:qualcomm:csr8811 |
| qualcomm | fastconnect 6200 firmware | cpe:2.3:o:qualcomm:fastconnect_6200_firmware |
| qualcomm | fastconnect 6200 | cpe:2.3:h:qualcomm:fastconnect_6200 |
| qualcomm | fastconnect 6800 firmware | cpe:2.3:o:qualcomm:fastconnect_6800_firmware |
| qualcomm | fastconnect 6800 | cpe:2.3:h:qualcomm:fastconnect_6800 |
and 188 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- qualcomm aqt1000 firmwareall versions
- qualcomm ar9380 firmwareall versions
- qualcomm c-v2x 9150 firmwareall versions
- qualcomm csr8811 firmwareall versions
- qualcomm fastconnect 6200 firmwareall versions
- qualcomm fastconnect 6800 firmwareall versions
- qualcomm fastconnect 6900 firmwareall versions
- qualcomm fastconnect 7800 firmwareall versions
- qualcomm immersive home 214 platform firmwareall versions
- qualcomm immersive home 216 platform firmwareall versions
- qualcomm immersive home 316 platform firmwareall versions
- qualcomm immersive home 318 platform firmwareall versions
- qualcomm ipq4019 firmwareall versions
- qualcomm ipq4028 firmwareall versions
- qualcomm ipq4029 firmwareall versions
- qualcomm ipq5010 firmwareall versions
- qualcomm ipq5028 firmwareall versions
- qualcomm ipq6010 firmwareall versions
- qualcomm ipq6018 firmwareall versions
- qualcomm ipq6028 firmwareall versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (qualcomm). Independent of NVD's CPE analysis and usually ahead of it.
Qualcomm, Inc. Snapdragon
- AQT1000, AR9380, C-V2X 9150, CSR8811, FastConnect 6200, FastConnect 6800, FastConnect 6900, FastConnect 7800, Immersive Home 214 Platform, Immersive Home 216 Platform, Immersive Home 316 Platform, Immersive Home 318 Platform … (+28)affected
Same product
qualcomm: all recordsOther highest-scoring records for the same primary product.
- CVE-2025-21479Incorrect Authorization in GraphicsKEV64This week
- CVE-2025-21480Incorrect Authorization in Graphics WindowsKEV64This week
- CVE-2021-1965Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Auto, Snapdragon Compute, Snapdrago40Plan
- CVE-2023-43548Buffer Copy Without Checking Size of Input in Video39Monitor
- CVE-2023-43519Buffer Copy without Checking Size of Input (`Classic Buffer Overflow`) in Video39Monitor
- CVE-2023-43518Untrusted Pointer Dereference in Video39Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2022-4052463 days apartBuffer over-read in Modem31Monitor
- CVE-2023-28541126 days apartBuffer Over-read in WLAN Host31Monitor
- CVE-2023-33115146 days apartBuffer Over-read in Trusted Execution Environment31Monitor
- CVE-2024-45561454 days apartUse After Free in Windows WLAN Host31Monitor
- CVE-2025-21421517 days apartBuffer Over-read in Display31Monitor
- CVE-2023-3308127 days apartBuffer over-read in WLAN Firmware30Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
CWE-126 · Buffer Over-readCVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.