| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.8 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Unisoc SL8521E, SL8521ET, SL8541E, UIS8141E, UWS6137, UWS6137E, UWS6151 and UWS6152 and classified as critical. Impacted is an unknown function of the component Developer Tools. The manipulation leads to input validation. This vulnerability is referenced as CVE-2025-31714. It is possible to launch the attack on the physical device. No exploit is available.
Details
A vulnerability was found in Unisoc SL8521E, SL8521ET, SL8541E, UIS8141E, UWS6137, UWS6137E, UWS6151 and UWS6152. It has been rated as critical. This issue affects an unknown part of the component Developer Tools. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
In Developer Tools, there is a possible missing verification incorrect input. This could lead to local escalation of privilege with no additional execution privileges needed.
It is possible to read the advisory at unisoc.com. The identification of this vulnerability is CVE-2025-31714 since 04/01/2025. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/18/2025).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.8VulDB Meta Temp Score: 6.8
VulDB Base Score: 6.8
VulDB Temp Score: 6.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.8
CNA Vector (Unisoc): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒
Physical: Yes
Local: Yes
Remote: No
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
04/01/2025 CVE reserved08/18/2025 Advisory disclosed
08/18/2025 VulDB entry created
08/18/2025 VulDB entry last update
Sources
Advisory: unisoc.comStatus: Confirmed
CVE: CVE-2025-31714 (🔒)
GCVE (CVE): GCVE-0-2025-31714
GCVE (VulDB): GCVE-100-320435
Entry
Created: 08/18/2025 07:55Changes: 08/18/2025 07:55 (61)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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