CVE-2026-44089Buffer Overflow in Totolink EX1200L router
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 9.4 CRITICAL (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- Weakness (CWE)
- CWE-121
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- CERT-PL
- NVD analysis
- Deferred
- Record last updated
- Jun 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Totolink EX1200L totolink:ex1200l (from the name) | 9.3.5u.6146_B20201023 | CNA record |
References
- https://cert.pl/en/posts/2026/06/CVE-2026-44089third-party-advisory
- https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/217/ids/36.htmlproduct
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.