CVE-2021-27113

9.8 criticalEPSS 3.5%

Critical (9.8) in dlink dir-816 firmware. EPSS 3.5% chance of exploitation in the next 30 days.

An issue was discovered in D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction within the handler function of the /goform/addRouting route. This could lead to Command Injection via Shell Metacharacters.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 3.5% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2021-04-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dlink:dir-816_firmware

References

https://github.com/GD008/vuln/blob/main/DIR-816_2.md
https://www.dlink.com/en/security-bulletin/
https://github.com/GD008/vuln/blob/main/DIR-816_2.md
https://www.dlink.com/en/security-bulletin/

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