CVE-2025-5901: TOTOLINK T10 POST Request cstecgi.cgi UploadCustomModule buffer overflow
Description
A vulnerability has been found in TOTOLINK T10 4.1.8cu.5207 and classified as critical. This vulnerability affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument File leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. In TOTOLINK T10 4.1.8cu.5207 wurde eine kritische Schwachstelle gefunden. Hierbei betrifft es die Funktion UploadCustomModule der Datei /cgi-bin/cstecgi.cgi der Komponente POST Request Handler. Dank der Manipulation des Arguments File mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.
Classification
CVE ID: CVE-2025-5901
CVSS Base Severity: HIGH
CVSS Base Score: 8.7
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected Products
Vendor: TOTOLINK
Product: T10
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.08% (probability of being exploited)
EPSS Percentile: 23.95% (scored less or equal to compared to others)
EPSS Date: 2025-06-13 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-5901https://vuldb.com/?id.311674
https://vuldb.com/?ctiid.311674
https://vuldb.com/?submit.592243
https://candle-throne-f75.notion.site/TOTOLINK-T10-UploadCustomModule-20bdf0aa118580d59961cd545582c118
https://www.totolink.net/