What is CVE-2026-31067?

CVE-2026-31067 is a medium-severity vulnerability in Utt 520w, classified under OS Command Injection. CVSS score: 6.8/10. Published 2026-04-06.

How severe is CVE-2026-31067?

Medium severity. CVSS v3 base score is 6.8 out of 10.

RCE in Utt 520w

CVE-2026-31067

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

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-04-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Utt 520w — versions 3.0
Utt 520w Firmware — versions 1.7.7-180627

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/zxq0408/Vul202601/blob/main/10.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-31067?: CVE-2026-31067 is a medium-severity vulnerability in Utt 520w, classified under OS Command Injection. CVSS score: 6.8/10. Published 2026-04-06.
How severe is CVE-2026-31067?: Medium severity. CVSS v3 base score is 6.8 out of 10.