UTT 进取 520W ConfigExceptMSN strcpy buffer overflow
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| UTT | 进取 520W | 1.7.7-180627 | — | No fix listed | CNA |
- 进取 520W VendorUTT Affected 1.7.7-180627 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1139
- 2026-10-03 Alias added: GHSA-xxjh-3xfp-3f5r
References
More UTT 520w Firmware vulnerabilities
- TI-2026-23835 A remote command execution (RCE) vulnerability in the /goform/formDia component of UTT… CVSS 3.1CRITICAL 9.8
- TI-2026-01725 UTT 进取 520W formPolicyRouteConf strcpy buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-01723 UTT 进取 520W formSyslogConf strcpy buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-01722 UTT 进取 520W formTimeGroupConfig strcpy buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-01721 UTT 进取 520W formIpGroupConfig strcpy buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-00868 UTT 进取 520W ConfigExceptAli strcpy buffer overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2026-1139 · CVE Program
- CVE-2026-1139 · NVD
- FIRST EPSS
- GHSA-xxjh-3xfp-3f5r · GitHub Advisory Database · CC BY 4.0
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