D-Link DNS-320 2.06B01 /cgi-bin/system_mgr.cgi os command injection

Summaryinfo

A vulnerability described as critical has been identified in D-Link DNS-320 2.06B01. Affected is the function cgi_set_host/cgi_set_ntp/cgi_fan_control/cgi_merge_user of the file /cgi-bin/system_mgr.cgi. Such manipulation leads to os command injection. This vulnerability is referenced as CVE-2026-8273. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in D-Link DNS-320 2.06B01 and classified as critical. Affected by this issue is the function cgi_set_host/cgi_set_ntp/cgi_fan_control/cgi_merge_user of the file /cgi-bin/system_mgr.cgi. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-8273. The exploitation is known to be easy. The attack may be launched remotely. The exploitation requires an enhanced level of successful authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 05/11/2026). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-29031). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• D-Link

Name

• DNS-320

Version

• 2.06B01

License

• commercial

Website

• Vendor: https://www.dlink.com/

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Accepted

• Submit #810082: D-Link Corporation DNS-320 ShareCenter NAS (Rev.A) Firmware 2.06B01 HOTFIX CWE-78: OS Command Injection (by ST4R)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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