x18 firmware vulnerabilities and fixes

Recent CVEs affecting x18 firmware, with upgrade or downgrade steps. 8 tracked.

Also searched as: x18firmware.

x18 firmware has 8 tracked vulnerabilities, 4 critical. A fixed release or vendor patch exists for 2. Most recent: 2025-10-01. Highest priority: CVE-2025-61045 (score 63/100).

CVE-2025-61045 CRITICAL 9.8 MITIGATE TOTOLINK X18 V9.1.0cu.2053_B20230309 was discovered to contain a command injection vulnerability via the mac p
CVE-2025-61044 CRITICAL 9.8 MITIGATE TOTOLINK X18 V9.1.0cu.2053_B20230309 was discovered to contain a command injection vulnerability via the agent
CVE-2025-29209 CRITICAL 9.8 MITIGATE TOTOLINK X18 v9.1.0cu.2024_B20220329 has an unauthorized arbitrary command execution in the enable parameter'
CVE-2025-29064 CRITICAL 9.8 MITIGATE An issue in TOTOLINK x18 v.9.1.0cu.2024_B20220329 allows a remote attacker to execute arbitrary code via the s
CVE-2025-1829 MEDIUM 6.3 MITIGATE A vulnerability was found in TOTOLINK X18 9.1.0cu.2024_B20220329
CVE-2025-1340 HIGH 8.8 MITIGATE A vulnerability classified as critical has been found in TOTOLINK X18 9.1.0cu.2024_B20220329
CVE-2025-1339 MEDIUM 6.3 MITIGATE A vulnerability was found in TOTOLINK X18 9.1.0cu.2024_B20220329
CVE-2024-10966 MEDIUM 6.3 MITIGATE A vulnerability, which was classified as critical, has been found in TOTOLINK X18 9.1.0cu.2024_B20220329

FAQ

How do I fix x18 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 x18 firmware being exploited right now?

None of the tracked x18 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which x18 firmware CVE should I patch first?

CVE-2025-61045 currently ranks highest (63/100): TOTOLINK X18 V9.1.0cu.2053_B20230309 was discovered to contain a command injection vulnerability via the mac p.

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