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CVE-2022-40504· NVD / CVE Program· CNA qualcomm

Reachable assertion in Modem

Transient DOS due to reachable assertion in Modem when UE received Downlink Data Indication message from the network.

HighCVSS 7.5 · v3.1—No exploit No fix recorded
Published
May 2, 2023
Updated
Jun 17, 2026
EPSS
0.4% · 30th percentile
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Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CNA vs NVD score

NVD
7.5
CNA · qualcomm
7.5
agree

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 help

Affected systems

VendorProduct
qualcomm315 5g iot modem firmware
qualcomm315 5g iot modem
qualcommapq8017 firmware
qualcommapq8017
qualcommaqt1000 firmware
qualcommaqt1000
qualcommar8035 firmware
qualcommar8035
qualcommcsra6620 firmware
qualcommcsra6620
qualcommcsra6640 firmware
qualcommcsra6640

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 315 5g iot modem firmwareall versions
  • qualcomm 8905 firmwareall versions
  • qualcomm 8909 firmwareall versions
  • qualcomm 8917 firmwareall versions
  • qualcomm 8920 firmwareall versions
  • qualcomm 8940 firmwareall versions
  • qualcomm 8953 firmwareall versions
  • qualcomm 8953pro firmwareall versions
  • qualcomm apq5053-aa firmwareall versions
  • qualcomm apq8017 firmwareall versions
  • qualcomm apq8053-aa firmwareall versions
  • qualcomm apq8053-ac firmwareall versions
  • qualcomm aqt1000 firmwareall versions
  • qualcomm ar8035 firmwareall versions
  • qualcomm csra6620 firmwareall versions
  • qualcomm csra6640 firmwareall versions
  • qualcomm csrb31024 firmwareall versions
  • qualcomm fsm10055 firmwareall versions
  • qualcomm qca6174a firmwareall versions
  • qualcomm qca6310 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

    • 315 5G IoT Modem, APQ8017, AQT1000, AR8035, CSRA6620, CSRA6640, CSRB31024, FastConnect 6200, FastConnect 6700, FastConnect 6800, FastConnect 6900, FastConnect 7800 … (+28)affected

Same product

qualcomm: all records

Other highest-scoring records for the same primary product.

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.

EPSS, last 120 days

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 researchers

Finders, 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

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-617 · Reachable Assertion

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

All records