D-Link DIR-816 A2_v1.10CNB04.img is vulnerable to Command Injection via /goform/SystemCommand.

published 2022-08-31 4y ago modified 2026-06-17 4mo ago also EUVD-2022-39782

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 8.2%; EPSS 8.2% chance of exploitation in 30 days, percentile 94%
public exploits: 0; none known

D-Link DIR-816 A2_v1.10CNB04.img is vulnerable to Command Injection via /goform/SystemCommand. After the user passes in the command parameter, it will be spliced into byte_4836B0 by snprintf, and finally doSystem(&byte_4836B0); will be executed, resulting in a command injection.

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Exploit prediction

8.21% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/z1r00/IOT_Vul/blob/main/dlink/Dir816/SystemCommand/readme.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

github.com /z1r00/IOT_Vul/blob/main/dlink/Dir816/SystemCommand/readme.md
exploit, third-party-advisory
dlink.com /en/security-bulletin/
vendor-advisory

Sources

CVE List CVE-2022-37129
NVD CVE-2022-37129

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