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CVE-2026-8273

D-Link DNS-320 system_mgr.cgi cgi_merge_user os command injection

5.1 Medium

CVE-2026-8273 is a medium vulnerability (CVSS 5.1) in D-link Dns-320, published May 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.39%, the 94th percentile. No source names a fixed version.

What does this mean?
Severity
5.1 MediumCVSS 4.0, CVE List
Exploit chance
7.39%EPSS, 94th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

A weakness has been identified in D-Link DNS-320 2.06B01. This impacts the function cgi_set_host/cgi_set_ntp/cgi_fan_control/cgi_merge_user of the file /cgi-bin/system_mgr.cgi. This manipulation causes os command injection. It is possible to initiate the attack remotely.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

7.39%Up 7.1 points since May 11, 2026
90%50%10%1%

Affected products

What each source reports

CVE List Score used5.1

D-Link DNS-320 system_mgr.cgi cgi_merge_user os command injection

A weakness has been identified in D-Link DNS-320 2.06B01. This impacts the function cgi_set_host/cgi_set_ntp/cgi_fan_control/cgi_merge_user of the file /cgi-bin/system_mgr.cgi. This manipulation causes os command injection. It is possible to initiate the attack remotely.

Record
CVE-2026-8273
CVSS 4.0
5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
CVSS 3.1
4.7 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
CVSS 3.0
4.7 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
CVSS 2.0
5.8 AV:N/AC:L/Au:M/C:P/I:P/A:P/E:ND/RL:ND/RC:UR
Weakness
CWE-78, CWE-77
Updated
2026-11-02
EUVDEUVD-2026-290315.1

A weakness has been identified in D-Link DNS-320 2.06B01. This impacts the function cgi_set_host/cgi_set_ntp/cgi_fan_control/cgi_merge_user of the file /cgi-bin/system_mgr.cgi. This manipulation causes os command injection. It is possible to initiate the attack remotely.

Record
EUVD-2026-29031
CVSS 4.0
5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
Updated
2026-11-02
GitHub AdvisoriesGHSA-5jp6-jc7m-x7q95.1

A weakness has been identified in D-Link DNS-320 2.06B01. This impacts the function cgi_set_host...

A weakness has been identified in D-Link DNS-320 2.06B01. This impacts the function cgi_set_host/cgi_set_ntp/cgi_fan_control/cgi_merge_user of the file /cgi-bin/system_mgr.cgi. This manipulation causes os command injection. It is possible to initiate the attack remotely.

Record
GHSA-5jp6-jc7m-x7q9
CVSS 4.0
5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
4.7 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-77, CWE-78
Updated
2026-11-02
NVD5.1

A weakness has been identified in D-Link DNS-320 2.06B01. This impacts the function cgi_set_host/cgi_set_ntp/cgi_fan_control/cgi_merge_user of the file /cgi-bin/system_mgr.cgi. This manipulation causes os command injection. It is possible to initiate the attack remotely.

Record
CVE-2026-8273
CVSS 4.0
5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
4.7 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
5.8 MediumAV:N/AC:L/Au:M/C:P/I:P/A:P
Weakness
CWE-77, CWE-78
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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