What is CVE-2026-31059?

CVE-2026-31059 is a critical-severity vulnerability in Utt 520w, classified under Command Injection. CVSS score: 9.8/10. Published 2026-04-06.

How severe is CVE-2026-31059?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Utt 520w

CVE-2026-31059

A remote command execution (RCE) vulnerability in the /goform/formDia component of UTT Aggressive HiPER 520W v3v1.7.7-180627 allows attackers to execute arbitrary commands via a crafted string.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.009 (56.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Utt 520w — versions 3.0
Utt 520w_firmware — versions 1.7.7-180627
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-31059?: CVE-2026-31059 is a critical-severity vulnerability in Utt 520w, classified under Command Injection. CVSS score: 9.8/10. Published 2026-04-06.
How severe is CVE-2026-31059?: Critical severity. CVSS v3 base score is 9.8 out of 10.