CVE-2026-75013: TOTOLINK EX1200L cstecgi.cgi setWizardCfg null pointer dereference

Published Aug 17, 2026
·
Updated

A vulnerability was detected in TOTOLINK EX1200L 9.3.5u.6146B20201023. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation results in null pointer dereference. The attack can be launched remotely. The exploit is now public and may be used.

Affected Software

1 affected component
TOTOLINK EX1200L=9.3.5u.6146_B20201023

Event History

Aug 17, 2026
CVE Published
via MITRE·07:30 PM
Data Sourced
via MITRE·07:30 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-75013?

The severity of CVE-2026-75013 is medium with a score of 6.5.

2

What type of vulnerability is CVE-2026-75013?

CVE-2026-75013 is categorized as a null pointer dereference vulnerability.

3

How can an attacker exploit CVE-2026-75013?

An attacker can exploit CVE-2026-75013 remotely by manipulating the setWizardCfg function of the cstecgi.cgi file.

4

What impact does CVE-2026-75013 have on affected systems?

The impact of CVE-2026-75013 can result in a null pointer dereference, potentially causing denial of service.

5

How do I fix CVE-2026-75013?

To mitigate CVE-2026-75013, it is recommended to update your TOTOLINK EX1200L devices to the latest firmware version that addresses this vulnerability.

Contact

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