CVE-2026-0839
UTT 进取 520W APSecurity strcpy buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Jan 11, 2026
- Updated
- Feb 23, 2026
- Reserved
- Jan 10, 2026
Description
A weakness has been identified in UTT 进取 520W 1.7.7-180627. Affected is the function strcpy of the file /goform/APSecurity. Executing a manipulation of the argument wepkey1 can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
进取 520WUTT |
|
References
- VDB-340439 | UTT 进取 520W APSecurity strcpy buffer overflowvdb-entrytechnical-description
- VDB-340439 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #729028 | UTT 进取 520W v3v1.7.7-180627 Buffer Overflowthird-party-advisory
- https://github.com/GUOTINGTING2297/cve/blob/main/1234/29.mdexploit
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