🛡️ CVE-2026-31065 — 520w-firmware

🟡 CVSS 4.5 — Medium ⚠️ Exploit Public CWE-120 NVD
4.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

UTT Aggressive 520W v3v1.7.7-180627 was discovered to contain a buffer overflow in the addCommand parameter of the formConfigCliForEngineerOnly function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

How this vulnerability can be exploited

This issue can be reached from an adjacent network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-31065 is classified as CWE-120: Classic Buffer Overflow. Input is copied into a fixed-size buffer without a length check, overwriting memory past the end of it.

Affected software

CVE-2026-31065 is recorded against 1 package.

  • 520w-firmware

Timeline and source

Published on 6 April 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com

Details

Severity MEDIUM
CVSS Score 4.5
CVSS Vector CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE CWE-120
Public Exploit ⚠️ Yes
Source NVD
Published 2026-04-06
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
520w-firmware — —

References

Similar Threats

Exploit Protection

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CVE-2026-31065 carries CVSS 4.5 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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