CVE-2025-5901 | THREATINT

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.

Reserved 2025-06-09 | Published 2025-06-09 | Updated 2025-06-09 | Assigner VulDB

HIGH: 8.7CVSS: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

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

4.1.8cu.5207

affected

Timeline

2025-06-09:	Advisory disclosed
2025-06-09:	VulDB entry created
2025-06-09:	VulDB entry last update

Credits

Yangshuangning (VulDB User) reporter

References

vuldb.com/?id.311674 (VDB-311674 | TOTOLINK T10 POST Request cstecgi.cgi UploadCustomModule buffer overflow) vdb-entry technical-description

vuldb.com/?ctiid.311674 (VDB-311674 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.592243 (Submit #592243 | TOTOLINK T10 V2_Firmware V2_V4.1.8cu.5207 Buffer Overflow) third-party-advisory

candle-throne-f75.notion.site/...0aa118580d59961cd545582c118 exploit

www.totolink.net/ product

cve.org (CVE-2025-5901)

nvd.nist.gov (CVE-2025-5901)

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