How many CVEs does Totolink have?

Totolink has 1,238 published CVE records since 2017, including 535 in the last two years.

How many Totolink CVEs are in CISA KEV?

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

Which Totolink products have the most CVEs?

The Totolink products with the most published CVEs are A7100RU, X5000R, x5000r_firmware, A3300R, a3300r_firmware.

What are the most common weakness types in Totolink CVEs?

Totolink's CVEs most often map to these CWE weakness types: CWE-77 (Improper Neutralization of Special Elements used in a Command ('Command Injection')), CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')), CWE-121 (Stack-based Buffer Overflow).

Are there public exploits for Totolink vulnerabilities?

Yes — 836 of Totolink's CVEs have a known public exploit.

How many critical Totolink vulnerabilities are there?

Totolink has 549 critical and 423 high-severity CVEs.

What is the average severity of Totolink CVEs?

The average CVSS base score across Totolink's scored CVEs is 8.4.

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1,238 CVEs

Totolink Vulnerabilities

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

CVE security advisories and vulnerability history for Totolink.

1,238

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

836

Public exploits

PoC or exploit code

8.4

Avg CVSS

2017–2026

Overview

Totolink has 1,238 published CVE records since 2017, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 836 have a known public exploit. The average CVSS base score across scored CVEs is 8.4.

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

Security scorecard

A quick read on Totolink's vulnerability posture, as a share of its 1,238 published CVEs.

Average CVSS: 8.4
Critical / high: 79%
Actively exploited (KEV): 0%
Public exploit available: 68%
Patch available: 3%

Severity and exploitation

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

Critical549

High423

Medium257

Low9

In CISA’s Known Exploited Vulnerabilities catalog

0

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

Public exploits

836

836 of Totolink's CVEs have a known public exploit available.

Most affected products

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

CNAs that assign these CVEs

The CVE Numbering Authorities that publish Totolink CVE records.

Disclosure activity by year

How many Totolink CVEs were published each year.

2018

11

2020

8

2021

13

2022

209

2023

198

2024

263

2025

340

2026

195

Latest Totolink CVEs

The most recently disclosed vulnerabilities affecting Totolink.

Totolink NR1800X lighttpd formLogout.htm Form_Logout stack-based overflow
CWE-121
Critical · CVSS 9.3
EPSS 0.8%2026-07-14
TOTOLINK EX200 Web boa.conf least privilege violation
CWE-272
High · CVSS 7.7
EPSS 0.4%2026-07-09
TOTOLINK X5000R OpenVPN Export cstecgi.cgi exportOvpn path traversal
CWE-22
Medium · CVSS 6.9
EPSS 0.5%2026-07-09
Buffer Overflow in Totolink EX1200L router
CWE-121
Critical · CVSS 9.4
EPSS 0.2%2026-06-23
TOTOLINK EX200 vsftpd vsftpd.conf least privilege violation
CWE-272
Medium · CVSS 6.9
EPSS 0.3%2026-06-09
TOTOLINK CP450 vsftpd vsftpd.conf least privilege violation
CWE-272
Medium · CVSS 5.3
EPSS 0.2%2026-06-08
TOTOLINK AC1200 T8 vsftpd vsftpd.conf least privilege violation
CWE-272
Medium · CVSS 5.3
EPSS 0.2%2026-06-08
Totolink N300RH Web Management wireless.so setWiFiBasicConfig stack-based overflow
CWE-119
Critical · CVSS 9.3
EPSS 1.4%2026-05-31
Totolink N300RH Web Management cstecgi.cgi setPasswordCfg os command injection
CWE-77
Critical · CVSS 9.3
EPSS 2.1%2026-05-26
Totolink CA750-PoE Setting cstecgi.cgi setWiFiWpsConfig os command injection
CWE-78
Medium · CVSS 5.3
EPSS 1.8%2026-05-26
Totolink CA750-PoE Setting cstecgi.cgi recvUpgradeNewFw os command injection
CWE-77
Medium · CVSS 5.3
EPSS 1.8%2026-05-26
Totolink CA750-PoE Setting cstecgi.cgi setUploadUserData os command injection
CWE-78
Medium · CVSS 5.3
EPSS 1.8%2026-05-26

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Frequently asked questions

Common questions about Totolink vulnerabilities.

How many CVEs does Totolink have?: Totolink has 1,238 published CVE records since 2017, including 535 in the last two years.
How many Totolink CVEs are in CISA KEV?: None of Totolink's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which Totolink products have the most CVEs?: The Totolink products with the most published CVEs are A7100RU, X5000R, x5000r_firmware, A3300R, a3300r_firmware.
What are the most common weakness types in Totolink CVEs?: Totolink's CVEs most often map to these CWE weakness types: CWE-77 (Improper Neutralization of Special Elements used in a Command ('Command Injection')), CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')), CWE-121 (Stack-based Buffer Overflow).
Are there public exploits for Totolink vulnerabilities?: Yes — 836 of Totolink's CVEs have a known public exploit.
How many critical Totolink vulnerabilities are there?: Totolink has 549 critical and 423 high-severity CVEs.
What is the average severity of Totolink CVEs?: The average CVSS base score across Totolink's scored CVEs is 8.4.

References

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

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