THREATPORT/VULNERABILITY/CVE-2026-2188
HIGH SEVERITY

CVE-2026-2188

521g Firmware vulnerability

CVSS
7.2
EPSS
6.4%
EPSS pct
93th
Exploited
No known
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.
Affected vendor
Utt
Affected product
521g Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2026-02-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 6.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2026-2188

  • Confirm whether Utt 521g Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2026-2188.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-2188

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