CVE-2026-31062 — MEDIUM (4.5)

Vulnerability Description

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.

CVSS Score

4.5

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Utt	520W Firmware	1.7.7-180627
Utt	520W	3.0

Related Weaknesses (CWE)

CWE-120

References

https://github.com/zxq0408/Vul202601/blob/main/7.mdExploitThird Party Advisory

FAQ

What is CVE-2026-31062?

CVE-2026-31062 is a vulnerability with a CVSS score of 4.5 (MEDIUM). 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 ...

How severe is CVE-2026-31062?

CVE-2026-31062 has been rated MEDIUM with a CVSS base score of 4.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-31062?

Check the references section above for vendor advisories and patch information. Affected products include: Utt 520W Firmware, Utt 520W.