What’s Vulnerable › Vulnerabilities

CVE-2021-43663

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-31 · updated 2026-06-17
• Weakness: CWE-77

Description

totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component cloudupdate_check.

Affected products

• TOTOLINK Ex300 V2 Firmware: 4.0.3c.140_b20210429

References

• https://github.com/chibataiki/iot-vuls/blob/main/totolink/command-injection1.md
• https://github.com/chibataiki/iot-vuls/blob/main/totolink/command-injection1.md

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