TOTOLINK N300RH 6.1c.1390_B20191101 HTTP POST Message /boafrm/formFilter url denial of service
Summary
A vulnerability was found in TOTOLINK N300RH 6.1c.1390_B20191101. It has been classified as problematic. Impacted is an unknown function of the file /boafrm/formFilter of the component HTTP POST Message Handler. Performing a manipulation of the argument url results in denial of service. This vulnerability is known as CVE-2025-6401. Furthermore, an exploit is available.
Details
A vulnerability was found in TOTOLINK N300RH 6.1c.1390_B20191101. It has been classified as problematic. This affects an unknown code block of the file /boafrm/formFilter of the component HTTP POST Message Handler. The manipulation of the argument url with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.
It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-6401. Technical details and a public exploit are known.
The exploit is shared for download at github.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-18807). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.totolink.net/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.3
VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 3.5
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Partially
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
06/20/2025 Advisory disclosed06/20/2025 VulDB entry created
06/26/2025 VulDB entry last update
Sources
Vendor: totolink.netAdvisory: github.com
Status: Not defined
CVE: CVE-2025-6401 (🔒)
GCVE (CVE): GCVE-0-2025-6401
GCVE (VulDB): GCVE-100-313395
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 06/20/2025 12:43Updated: 06/26/2025 01:01
Changes: 06/20/2025 12:43 (56), 06/21/2025 11:35 (1), 06/21/2025 16:43 (30), 06/26/2025 01:01 (1)
Complete: 🔍
Submitter: yuhongxiang
Cache ID: 216::103
Submit
Accepted
- Submit #597688: TOTOLINK N300RH_V4 V6.1c.1390_B20191101 Buffer Overflow (by yuhongxiang)
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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