TOTOLINK A950RG 4.1.2cu.5204_B20210112 system.so setNoticeCfg NoticeUrl buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.5 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in TOTOLINK A950RG 4.1.2cu.5204_B20210112. Affected by this issue is the function setNoticeCfg in the library /lib/cste_modules/system.so. The manipulation of the argument NoticeUrl leads to buffer overflow.
This vulnerability is documented as CVE-2025-45797. The attack can be initiated remotely. There is not any exploit available.
Details
A vulnerability was found in TOTOLINK A950RG 4.1.2cu.5204_B20210112 and classified as critical. This issue affects the function setNoticeCfg in the library /lib/cste_modules/system.so. The manipulation of the argument NoticeUrl with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
TOTOlink A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability. The vulnerability arises from the improper input validation of the NoticeUrl parameter in the setNoticeCfg interface of /lib/cste_modules/system.so.
It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-45797 since 04/22/2025. The exploitation is known to be easy. The attack may be initiated 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 05/13/2025).
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-2025-14035). Be aware that VulDB is the high quality source 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: 8.5
VulDB Base Score: 8.8
VulDB Temp Score: 8.5
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 🔍05/09/2025 🔍
05/09/2025 🔍
05/13/2025 🔍
Sources
Vendor: totolink.netAdvisory: github.com
Status: Not defined
CVE: CVE-2025-45797 (🔍)
GCVE (CVE): GCVE-0-2025-45797
GCVE (VulDB): GCVE-100-308111
EUVD: 🔍
Entry
Created: 05/09/2025 07:36Updated: 05/13/2025 04:31
Changes: 05/09/2025 07:36 (55), 05/13/2025 04:31 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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