How many CVEs does Totolink have?

Totolink has 1,255 published CVE records since 2017, including 552 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 — 849 of Totolink's CVEs have a known public exploit.

How many critical Totolink vulnerabilities are there?

Totolink has 552 critical and 434 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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1,255 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.

1,255

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

849

Public exploits

PoC or exploit code

8.4

Avg CVSS

2017–2026

Overview

Totolink has 1,255 published CVE records since 2017, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 849 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 1,255 published CVEs.

Average CVSS: 8.4
Critical / high: 79%
Actively exploited (KEV): 0%
Public exploit available: 68%
Patch available: 2%

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.

Critical552

High434

Medium260

Low9

In CISA’s Known Exploited Vulnerabilities catalog

0

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

Public exploits

849

849 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

212

Latest Totolink CVEs

The most recently disclosed vulnerabilities affecting Totolink.

TOTOLINK NR1800X cstecgi.cgi setUploadSetting stack-based overflow
CWE-121
Critical · CVSS 9.4
EPSS 0.6%2026-08-31
TOTOLINK NR1800X cstecgi.cgi setUssd command injection
CWE-77
Medium · CVSS 5.3
EPSS 1.1%2026-08-31
TOTOLINK N600R Authentication cstecgi.cgi loginAuth random values
CWE-330
Medium · CVSS 6.3
EPSS 0.4%2026-08-30
TOTOLINK A720R MAC Filtering cstecgi.cgi setMacFilterRules memory corruption
CWE-119
Critical · CVSS 9.4
EPSS 0.6%2026-08-30
TOTOLINK N600R cstecgi.cgi getCurrentTime command injection
CWE-77
Medium · CVSS 6.9
EPSS 1.4%2026-08-25
TOTOLINK N600R CGI cstecgi.cgi setSystemConfig stack-based overflow
CWE-121
Critical · CVSS 10.0
EPSS 0.6%2026-08-25
TOTOLINK EX1200L cstecgi.cgi setWizardCfg null pointer dereference
CWE-476
High · CVSS 7.1
EPSS 0.4%2026-08-17
TOTOLINK EX1200L Password Configuration cstecgi.cgi setPasswordCfg null pointer dereference
CWE-476
High · CVSS 7.1
EPSS 0.4%2026-08-17
TOTOLINK A800R wps.so cstecgi.cgi setWiFiWpsConfig stack-based overflow
CWE-121
High · CVSS 8.7
EPSS 0.6%2026-08-14
TOTOLINK A800R firewall.so cstecgi.cgi setUrlFilterRules stack-based overflow
CWE-121
High · CVSS 8.7
EPSS 0.5%2026-08-14
TOTOLINK A800R lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow
CWE-121
High · CVSS 8.7
EPSS 0.5%2026-08-14
TOTOLINK A800R ipv6.so cstecgi.cgi setRadvdCfg stack-based overflow
CWE-121
High · CVSS 8.7
EPSS 0.5%2026-08-14

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Frequently asked questions

Common questions about Totolink vulnerabilities.

How many CVEs does Totolink have?: Totolink has 1,255 published CVE records since 2017, including 552 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 — 849 of Totolink's CVEs have a known public exploit.
How many critical Totolink vulnerabilities are there?: Totolink has 552 critical and 434 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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