Buffer Over-read in DSP Service
Information Disclosure while processing IOCTL handler callbacks without verifying buffer size.
- Published
- May 4, 2026
- Updated
- Sep 30, 2026
- EPSS
- 0.1% · 0th 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.
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 helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| qualcomm | x2000086 firmware | cpe:2.3:o:qualcomm:x2000086_firmware |
| qualcomm | x2000086 | cpe:2.3:h:qualcomm:x2000086 |
| qualcomm | x2000090 firmware | cpe:2.3:o:qualcomm:x2000090_firmware |
| qualcomm | x2000090 | cpe:2.3:h:qualcomm:x2000090 |
| qualcomm | x2000092 firmware | cpe:2.3:o:qualcomm:x2000092_firmware |
| qualcomm | x2000092 | cpe:2.3:h:qualcomm:x2000092 |
| qualcomm | x2000094 firmware | cpe:2.3:o:qualcomm:x2000094_firmware |
| qualcomm | x2000094 | cpe:2.3:h:qualcomm:x2000094 |
| qualcomm | xg101002 firmware | cpe:2.3:o:qualcomm:xg101002_firmware |
| qualcomm | xg101002 | cpe:2.3:h:qualcomm:xg101002 |
| qualcomm | xg101032 firmware | cpe:2.3:o:qualcomm:xg101032_firmware |
| qualcomm | xg101032 | cpe:2.3:h:qualcomm:xg101032 |
and 50 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- qualcomm cologne firmwareall versions
- qualcomm fastconnect 6700 firmwareall versions
- qualcomm fastconnect 6900 firmwareall versions
- qualcomm fastconnect 7800 firmwareall versions
- qualcomm iqx5121 firmwareall versions
- qualcomm iqx7181 firmwareall versions
- qualcomm qca0000 firmwareall versions
- qualcomm qcm5430 firmwareall versions
- qualcomm qcm6490 firmwareall versions
- qualcomm sc8380xp firmwareall versions
- qualcomm snapdragon 7c+ gen 3 compute firmwareall versions
- qualcomm snapdragon 8cx gen 3 compute firmwareall versions
- qualcomm video collaboration vc3 platform firmwareall versions
- qualcomm wcd9370 firmwareall versions
- qualcomm wcd9375 firmwareall versions
- qualcomm wcd9378c firmwareall versions
- qualcomm wcd9380 firmwareall versions
- qualcomm wcd9385 firmwareall versions
- qualcomm wsa8830 firmwareall versions
- qualcomm wsa8835 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
- Cologne, FastConnect 6700, FastConnect 6900, FastConnect 7800, IQX5121, IQX7181, QCA0000, QCM5430, QCM6490, Qualcomm Video Collaboration VC3 Platform, SC8380XP, Snapdragon 7c+ Gen 3 Compute … (+19)affected
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.
No nightly-computed relations.
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.