CVE-2025-5901 - CVE House
Back to Database
Status published High CVE-2025-5901

TOTOLINK T10 POST Request cstecgi.cgi UploadCustomModule buffer overflow

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-5901

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Yangshuangning (VulDB User)

References

More from TOTOLINK

View All →
CVE-2025-9935
TOTOLINK N600R cstecgi.cgi sub_4159F8 command injection
Medium 6.9
CVE-2025-9934
TOTOLINK X5000R cstecgi.cgi sub_410C34 command injection
Medium 5.3
CVE-2025-9783
TOTOLINK A702R formParentControl sub_418030 buffer overflow
High 8.7
CVE-2025-9782
TOTOLINK A702R formOneKeyAccessButton sub_4466F8 buffer overflow
High 8.7
CVE-2025-9781
TOTOLINK A702R formFilter sub_4162DC buffer overflow
High 8.7

Affected Vendor

Affected Software

T10
Vulnerable Versions:
4.1.8cu.5207

Timeline

Official Publish: June 9th, 2025
Last Modified: June 10th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Weaknesses (CWE)

CWE-120 CWE-119

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control