High severity7.2NVD Advisory· Published Feb 8, 2026· Updated Jun 17, 2026

CVE-2026-2188

Description

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 products

Utt/521g Firmware
cpe:2.3:o:utt:521g_firmware:3.1.1-190816:*:*:*:*:*:*:*
Utt/进取 521Gllm-fuzzy2 versions
3.1.1-190816+ 1 more
- (no CPE)range: 3.1.1-190816
- (no CPE)range: 3.1.1-190816

Patches

Vulnerability mechanics

References

github.com/cha0yang1/UTT521G/blob/main/RCE2.mdnvdExploitThird Party Advisory
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdPermissions RequiredVDB Entry

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

7.2/ 10

CVSS v47.3

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:X/V:X/RE:X/U:X

Attack vector: Network
Complexity: Low
Privileges: High
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

Probability of exploitation in the next 30 days.

6.41%

VYPR risk score

Composite of severity, exploitation, and reach.

0.47medium

cvss	0.468
epss	0.005
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVE ID

CVE-2026-2188

Credits

C(
cha0yang (VulDB User)
reporter