How many CVEs does Tcl have?

Tcl has 56 published CVE records since 2008, including 2 in the last two years.

How many Tcl CVEs are in CISA KEV?

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

Which Tcl products have the most CVEs?

The Tcl products with the most published CVEs are linkhub mesh wifi ac1200, LinkHub Mesh Wifi, 30Z_firmware, 40s330, 32s330 firmware.

What are the most common weakness types in Tcl CVEs?

Tcl's CVEs most often map to these CWE weakness types: CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-121 (Stack-based Buffer Overflow), CWE-284 (Improper Access Control), CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor).

Are there public exploits for Tcl vulnerabilities?

Yes — 46 of Tcl's CVEs have a known public exploit.

How many critical Tcl vulnerabilities are there?

Tcl has 39 critical and 14 high-severity CVEs.

What is the average severity of Tcl CVEs?

The average CVSS base score across Tcl's scored CVEs is 9.1.

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56 CVEs

Tcl Vulnerabilities

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

CVE security advisories and vulnerability history for Tcl.

56

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

46

Public exploits

PoC or exploit code

9.1

Avg CVSS

2008–2025

Overview

Tcl has 56 published CVE records since 2008, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 46 have a known public exploit. The average CVSS base score across scored CVEs is 9.1.

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

Security scorecard

A quick read on Tcl's vulnerability posture, as a share of its 56 published CVEs.

Average CVSS: 9.1
Critical / high: 95%
Actively exploited (KEV): 0%
Public exploit available: 82%
Patch available: 9%

Severity and exploitation

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

Critical39

High14

Medium3

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

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

Public exploits

46

46 of Tcl's CVEs have a known public exploit available.

Most affected products

The Tcl 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 Tcl CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish Tcl CVE records.

Disclosure activity by year

How many Tcl CVEs were published each year.

2017

1

2019

1

2020

2

2021

1

2022

42

2023

1

2024

5

2025

2

Latest Tcl CVEs

The most recently disclosed vulnerabilities affecting Tcl.

High vulnerability · 2025-10-03
CWE-400
High · CVSS 7.5
EPSS 0.5%2025-10-03
Medium vulnerability · 2025-10-03
CWE-918
Medium · CVSS 4.7
EPSS 0.3%2025-10-03
High vulnerability · 2024-11-14
CWE-35
High · CVSS 8.2
EPSS 0.2%2024-11-14
High vulnerability · 2024-04-22
CWE-266
High · CVSS 8.8
EPSS 0.5%2024-04-22
High vulnerability · 2024-04-22
CWE-200
High · CVSS 8.0
EPSS 0.3%2024-04-22
High vulnerability · 2024-04-22
CWE-269
High · CVSS 8.7
EPSS 0.4%2024-04-22
High vulnerability · 2024-04-22
CWE-276
High · CVSS 7.8
EPSS 0.2%2024-04-22
Critical vulnerability · 2023-12-27
CWE-94
Critical · CVSS 9.8
EPSS 1.1%2023-12-27
High vulnerability · 2022-08-05
CWE-284
High · CVSS 7.5
EPSS 0.9%2022-08-05
High vulnerability · 2022-08-05
CWE-200
High · CVSS 7.5
EPSS 0.8%2022-08-05
High vulnerability · 2022-08-05
CWE-200
High · CVSS 7.5
EPSS 0.8%2022-08-05
High vulnerability · 2022-08-05
CWE-284
High · CVSS 7.5
EPSS 0.9%2022-08-05

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Frequently asked questions

Common questions about Tcl vulnerabilities.

How many CVEs does Tcl have?: Tcl has 56 published CVE records since 2008, including 2 in the last two years.
How many Tcl CVEs are in CISA KEV?: None of Tcl's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which Tcl products have the most CVEs?: The Tcl products with the most published CVEs are linkhub mesh wifi ac1200, LinkHub Mesh Wifi, 30Z_firmware, 40s330, 32s330 firmware.
What are the most common weakness types in Tcl CVEs?: Tcl's CVEs most often map to these CWE weakness types: CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-121 (Stack-based Buffer Overflow), CWE-284 (Improper Access Control), CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor).
Are there public exploits for Tcl vulnerabilities?: Yes — 46 of Tcl's CVEs have a known public exploit.
How many critical Tcl vulnerabilities are there?: Tcl has 39 critical and 14 high-severity CVEs.
What is the average severity of Tcl CVEs?: The average CVSS base score across Tcl's scored CVEs is 9.1.

References

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

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