TOTOLINK X5000R V9.1.0cu.2415_B20250515 contains a denial-of-service vulnerability in /cgi-bin/cstecgi.cgi. The CGI reads the CONTENT_LENGTH environment variable and allocates memory using malloc (CONTENT_LENGTH + 1) without sufficient bounds checking. When lighttpd s request size limit is not enforced, a crafted large POST request can cause memory exhaustion or a segmentation fault, leading to a crash of the management CGI and loss of availability of the web interface.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| http://totolink.com |
|
| https://github.com/DaRkSpOoOk/CVE-2025-67445 |
|
History
Wed, 25 Feb 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Totolink x5000r Firmware
|
|
| CPEs | cpe:2.3:h:totolink:x5000r:-:*:*:*:*:*:*:* cpe:2.3:o:totolink:x5000r_firmware:9.1.0cu.2415_b20250515:*:*:*:*:*:*:* |
|
| Vendors & Products |
Totolink x5000r Firmware
|
Wed, 25 Feb 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-400 | |
| Metrics |
cvssV3_1
|
Wed, 25 Feb 2026 12:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Totolink
Totolink x5000r |
|
| Vendors & Products |
Totolink
Totolink x5000r |
Tue, 24 Feb 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | TOTOLINK X5000R V9.1.0cu.2415_B20250515 contains a denial-of-service vulnerability in /cgi-bin/cstecgi.cgi. The CGI reads the CONTENT_LENGTH environment variable and allocates memory using malloc (CONTENT_LENGTH + 1) without sufficient bounds checking. When lighttpd s request size limit is not enforced, a crafted large POST request can cause memory exhaustion or a segmentation fault, leading to a crash of the management CGI and loss of availability of the web interface. | |
| References |
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-02-25T16:25:39.018Z
Reserved: 2025-12-08T00:00:00.000Z
Link: CVE-2025-67445
No data.
Status : Analyzed
Published: 2026-02-24T15:21:36.707
Modified: 2026-02-25T17:54:09.220
Link: CVE-2025-67445
No data.
OpenCVE Enrichment
Updated: 2026-02-25T11:45:18Z
Weaknesses