CVE-2026-31062: Buffer Overflow
Published Apr 6, 2026
·Updated
UTT Aggressive 520W v3v1.7.7-180627 was discovered to contain a buffer overflow in the filename parameter of the formFtpServerDirConfig function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
Affected Software
2 affected components
All of the following
UTT 520w Firmware=1.7.7-180627
UTT 520W=3.0
Event History
Apr 6, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·03:17 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-31062?
CVE-2026-31062 has a severity level that allows attackers to create a Denial of Service situation.
2
How do I fix CVE-2026-31062?
To fix CVE-2026-31062, upgrade to a later version of the UTT 520W firmware that addresses the buffer overflow vulnerability.
3
What type of attacks are possible with CVE-2026-31062?
CVE-2026-31062 allows attackers to perform Denial of Service attacks through a crafted input that triggers the buffer overflow.
4
Which UTT firmware versions are affected by CVE-2026-31062?
CVE-2026-31062 specifically affects UTT 520W firmware version 1.7.7-180627.
5
Is any other UTT hardware affected by CVE-2026-31062?
No, CVE-2026-31062 is known to affect only the UTT 520W firmware version 1.7.7-180627.