UTT 进取 520W 1.7.7-180627 formConfigNoticeConfig strcpy timestart buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in UTT 进取 520W 1.7.7-180627. Affected by this issue is the function strcpy of the file /goform/formConfigNoticeConfig. The manipulation of the argument timestart results in buffer overflow.
This vulnerability is known as CVE-2026-0840. It is possible to launch the attack remotely. Furthermore, an exploit is available.
The vendor was contacted early about this disclosure but did not respond in any way. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Details
A vulnerability was found in UTT 进取 520W 1.7.7-180627. It has been classified as critical. Affected is the function strcpy of the file /goform/formConfigNoticeConfig. The manipulation of the argument timestart 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 advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-0840. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known.
The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
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 CNNVD (CNNVD-202601-1791). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
Version
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: 8.8VulDB Meta Temp Score: 8.4
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 8.8
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 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: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
01/10/2026 Advisory disclosed01/10/2026 VulDB entry created
01/12/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2026-0840 (🔒)
GCVE (CVE): GCVE-0-2026-0840
GCVE (VulDB): GCVE-100-340440
CNNVD: CNNVD-202601-1791 - UTT 520W 安全漏洞
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/10/2026 10:56 AMUpdated: 01/12/2026 10:20 PM
Changes: 01/10/2026 10:56 AM (57), 01/11/2026 08:21 AM (31), 01/12/2026 10:20 PM (6)
Complete: 🔍
Submitter: GUOTINGTING
Cache ID: 18:89A:40
Submit
Accepted
- Submit #729029: UTT 进取 520W v3v1.7.7-180627 Buffer Overflow (by GUOTINGTING)
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