CVE-2026-1139 Details
Description
A vulnerability has been found in UTT 进取 520W 1.7.7-180627. This vulnerability affects the function strcpy of the file /goform/ConfigExceptMSN. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
A buffer overflow vulnerability has been identified in the UTT 进取 520W router, specifically in the firmware version 1.7.7-180627. The issue arises in the ConfigExceptMSN function, where the strcpy function is used to copy data without proper size validation, allowing for remote exploitation. This vulnerability has been publicly disclosed and could be used to execute a denial-of-service attack.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 20, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/cymiao1978/cve/blob/main/new/34.md | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.341730 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.341730 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.735299 | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| utt 520w firmware | <= 1.7.7-180627 |
CPE
Remediation
| |
| utt 520w | 3.0 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Feb 4, 2026 | Initial Analysis | [email protected] |
| Jan 19, 2026 | New CVE Received | [email protected] |