CVE-2021-20159

8.8 highEPSS 3.1%

High (8.8) in trendnet tew-827dru firmware. EPSS 3.1% chance of exploitation in the next 30 days.

Trendnet AC2600 TEW-827DRU version 2.08B01 is vulnerable to command injection. The system log functionality of the firmware allows for command injection as root by supplying a malformed parameter.

Severity

CVSS 3.1

8.8 high

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

EPSS: 3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2021-12-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

trendnet:tew-827dru_firmware

References

https://www.tenable.com/security/research/tra-2021-54
https://www.tenable.com/security/research/tra-2021-54

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