Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.

CVE-2021-46457: D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function ChgSambaUserSettings. This vulnerability allows attackers to execute arbitrary co...

CVE-2021-46457 · published 4 years ago

Summary

D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function ChgSambaUserSettings. This vulnerability allows attackers to execute arbitrary commands via the samba_name parameter.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
dlink	dir-823_pro_firmware	<= 1.0.2 `cpe:2.3:o:dlink:dir-823_pro_firmware::::::::`

Original advisory text

References

https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_23/23.md Broken Link
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1... Vendor Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory

Fix within

Internet-facing 3 days

Internal 60 days

Not known to be exploited
Can be exploited automatically (estimated)
Gives an attacker full control (estimated)

Severity

9.8 Critical

Exploitation

4% chance of attack within 30 days

Type

CWE-77Command Injection

Timeline

Published4 Feb 2022

Updated23 Oct 2026

First seen29 Sep 2026

Sources

CVE-2021-46457 · NVD

Track software like this

Free during beta