PatchTheCVEt18-21k firmware vulnerabilities and fixes
Recent CVEs affecting t18-21k firmware, with upgrade or downgrade steps. 2 tracked.
Also searched as: t18 21k firmware, t18-21kfirmware.
t18-21k firmware has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-05-13. Highest priority: CVE-2026-36741 (score 51/100).
- CVE-2026-36738 MEDIUM 6.8 MITIGATE U-SPEED AC1200 Gigabit Wi-Fi Router (Model: T18-21K) V1.0 is vulnerable to Incorrect Access Control
- CVE-2026-36741 HIGH 7.2 MITIGATE U-SPEED AC1200 Gigabit Wi-Fi Router (Model: T18-21K) V1.0 is vulnerable to Command Injection
FAQ
How do I fix t18-21k firmware vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is t18-21k firmware being exploited right now?
None of the tracked t18-21k firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which t18-21k firmware CVE should I patch first?
CVE-2026-36741 currently ranks highest (51/100): U-SPEED AC1200 Gigabit Wi-Fi Router (Model: T18-21K) V1.0 is vulnerable to Command Injection.