TOTOLINK A3002R 4.0.0-B20230531.1404 formIpv6Setup static_dns1 buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.8 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in TOTOLINK A3002R 4.0.0-B20230531.1404. Impacted is the function formIpv6Setup. Performing a manipulation of the argument static_dns1 results in buffer overflow.
This vulnerability was named CVE-2025-45867. The attack may be initiated remotely. There is no available exploit.
Details
A vulnerability was found in TOTOLINK A3002R 4.0.0-B20230531.1404. It has been classified as critical. This affects the function formIpv6Setup. The manipulation of the argument static_dns1 with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the static_dns1 parameter in the formIpv6Setup interface.
This vulnerability is uniquely identified as CVE-2025-45867 since 04/22/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/26/2025).
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-2025-14497). 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: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.8
VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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
04/22/2025 🔍05/13/2025 🔍
05/13/2025 🔍
05/26/2025 🔍
Sources
Vendor: totolink.netStatus: Not defined
CVE: CVE-2025-45867 (🔍)
GCVE (CVE): GCVE-0-2025-45867
GCVE (VulDB): GCVE-100-308643
EUVD: 🔍
Entry
Created: 05/13/2025 17:21Updated: 05/26/2025 21:53
Changes: 05/13/2025 17:21 (53), 05/26/2025 21:53 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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