CVE-2026-1139

HIGHCVSS 7.4/10EPSS 0.85%

Last modified

CVE-2026-1139 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0
7.4/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.85%

53.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Utt520w Firmware<= 1.7.7-180627

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-1139?
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.
How severe is CVE-2026-1139?
CVE-2026-1139 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.
How do I fix CVE-2026-1139?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1139?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST