CVE-2026-44089

UNKNOWN 0.0

Buffer Overflow in Totolink EX1200L router

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Totolink EX1200L router is vulnerable to Buffer Overflow in the login functionality in cgi-bin/cstecgi.cgi endpoint. This vulnerability could be exploited to cause the program to crash and to execute code remotely. This allows the attacker to perform actions as root including reading and editing data, as well as bricking the router. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 9.3.5u.6146_B20201023 but may also affect other versions.

CWE	CWE-121
Vendor	totolink
Product	ex1200l
Published	Jun 23, 2026
Last Updated	Jun 23, 2026

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Affected Versions

Totolink / EX1200L

9.3.5u.6146_B20201023

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cert.pl: https://cert.pl/en/posts/2026/06/CVE-2026-44089 totolink.net: https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/217/ids/36.html

Credits

Franciszek Malek