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TI-2026-27883 Aliases CVE-2026-36741GHSA-pvcc-fj7g-vm23

U-SPEED AC1200 Gigabit Wi-Fi Router (Model: T18-21K) V1.0 is vulnerable to Command…

Priority HIGH 67CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-77.

Summary

U-SPEED AC1200 Gigabit Wi-Fi Router (Model: T18-21K) V1.0 is vulnerable to Command Injection. The Network Time Protocol (NTP) configuration interface does not properly sanitize user-supplied input. An authenticated user with permission to configure NTP settings can inject arbitrary system commands through crafted input fields. These commands are executed with elevated privileges, leading to potential full system compromise.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0209 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:u-speed:t18-21k_firmware:1.0:*:*:*:*:*:*:*1.0VulnerableU-speed
cpe:2.3:h:u-speed:t18-21k:-:*:*:*:*:*:*:*not specified by NVDRunning onU-speed
  • cpe:2.3:o:u-speed:t18-21k_firmware:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·U-speed
  • cpe:2.3:h:u-speed:t18-21k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·U-speed

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-36741
  2. 2026-10-03 Alias added: GHSA-pvcc-fj7g-vm23

References

  • TI-2026-27882 U-SPEED AC1200 Gigabit Wi-Fi Router (Model: T18-21K) V1.0 is vulnerable to Incorrect… CVSS 3.1MEDIUM 6.8

Sources