Vulnerability record · CVE-2026-2188 · published 8 February 2026

CVE-2026-2188: Utt 521g firmware command injection vulnerability

UUtt · 521g Firmware

A vulnerability was determined in UTT 进取 521G 3.1.1-190816. The impacted element is the function sub_446B18 of the file /goform/formPdbUpConfig. Executing a manipulation of the argument policyNames can lead to os command injection. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.

7.3 CVSS 4.0 High EPSS 6.7% · top 6.3% CWE-77 · Command injectionCWE-78 · OS command injection

7.3CVSS 4.0 base score, v2 8.3

6.7%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

4References, 1 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

U521g Firmware Utt

References

Link	Tags
https://github.com/cha0yang1/UTT521G/blob/main/RCE2.md	ExploitThird Party Advisory
https://vuldb.com/?ctiid.344891	Permissions RequiredVDB Entry
https://vuldb.com/?id.344891	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.749733	Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-2188), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.