How many CVEs does Semtech have?

Semtech has 6 published CVE records since 2020, including 3 in the last two years.

How many Semtech CVEs are in CISA KEV?

None of Semtech's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which Semtech products have the most CVEs?

The Semtech products with the most published CVEs are LR1110, LR1120, LR1121, loramac-node, lora basics station.

What are the most common weakness types in Semtech CVEs?

Semtech's CVEs most often map to these CWE weakness types: CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-123 (Write-what-where Condition), CWE-226 (Sensitive Information in Resource Not Removed Before Reuse), CWE-327 (Use of a Broken or Risky Cryptographic Algorithm).

Are there public exploits for Semtech vulnerabilities?

Yes — 1 of Semtech's CVEs have a known public exploit.

How many critical Semtech vulnerabilities are there?

Semtech has 1 critical and 2 high-severity CVEs.

What is the average severity of Semtech CVEs?

The average CVSS base score across Semtech's scored CVEs is 6.8.

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6 CVEs

Semtech Vulnerabilities

Name: Semtech vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for Semtech.

6

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

1

Public exploits

PoC or exploit code

6.8

Avg CVSS

2020–2026

Overview

Semtech has 6 published CVE records since 2020, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 1 have a known public exploit. The average CVSS base score across scored CVEs is 6.8.

This page aggregates every publicly disclosed vulnerability (CVE) affecting Semtech products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on Semtech's vulnerability posture, as a share of its 6 published CVEs.

Average CVSS: 6.8
Critical / high: 50%
Actively exploited (KEV): 0%
Public exploit available: 17%
Patch available: 100%

Severity and exploitation

How the CVSS severity of Semtech's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical1

High2

Medium3

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

None of Semtech's CVEs are currently listed in CISA's KEV catalog.

Public exploits

1

One of Semtech's CVEs has a known public exploit available.

Most affected products

The Semtech products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in Semtech CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish Semtech CVE records.

Disclosure activity by year

How many Semtech CVEs were published each year.

2020

2

2022

1

2026

3

Latest Semtech CVEs

The most recently disclosed vulnerabilities affecting Semtech.

Semtech LR11xx Secure Boot Bypass
CWE-327
High · CVSS 7.0
EPSS 0.1%2026-04-07
Semtech LR11xx Encrypted Firmware Disclosure
CWE-226
Medium · CVSS 5.1
EPSS 0.1%2026-04-07
Semtech LR11xx Memory Write Access Control Bypass
CWE-123
Medium · CVSS 5.4
EPSS 0.2%2026-04-07
Critical vulnerability · 2022-10-06
CWE-120
Critical · CVSS 9.8
EPSS 1.5%2022-10-06
Potential Buffer Overflow in LoRaMac-node
CWE-120
High · CVSS 8.8
EPSS 0.9%2020-06-23
Use After Free in in cups_update_info in LoRa Basics Station
CWE-416
Medium · CVSS 5.0
EPSS 0.9%2020-06-22

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Frequently asked questions

Common questions about Semtech vulnerabilities.

How many CVEs does Semtech have?: Semtech has 6 published CVE records since 2020, including 3 in the last two years.
How many Semtech CVEs are in CISA KEV?: None of Semtech's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which Semtech products have the most CVEs?: The Semtech products with the most published CVEs are LR1110, LR1120, LR1121, loramac-node, lora basics station.
What are the most common weakness types in Semtech CVEs?: Semtech's CVEs most often map to these CWE weakness types: CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-123 (Write-what-where Condition), CWE-226 (Sensitive Information in Resource Not Removed Before Reuse), CWE-327 (Use of a Broken or Risky Cryptographic Algorithm).
Are there public exploits for Semtech vulnerabilities?: Yes — 1 of Semtech's CVEs have a known public exploit.
How many critical Semtech vulnerabilities are there?: Semtech has 1 critical and 2 high-severity CVEs.
What is the average severity of Semtech CVEs?: The average CVSS base score across Semtech's scored CVEs is 6.8.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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