CVE-2026-8271

D-Link DNS-320 network_mgr.cgi cgi_upnp_edit os command injection

5.1 Medium

CVE-2026-8271 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 5.10%, the 92nd percentile. No source names a fixed version.

A vulnerability was identified in D-Link DNS-320 2.06B01. The impacted element is the function cgi_speed/cgi_dhcpd_lease/cgi_ddns/cgi_set_ip/cgi_upnp_del/cgi_dhcpd/cgi_upnp_add/cgi_upnp_edit of the file /cgi-bin/network_mgr.cgi. The manipulation leads to os command injection. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

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

5.10%Up 4.9 points since May 11, 2026

What each source reports

CVE List Score used 5.1

D-Link DNS-320 network_mgr.cgi cgi_upnp_edit os command injection

Record: CVE-2026-8271
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:P
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:P/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:P/RL:X/RC:R
CVSS 2.0: 5.8 AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Weakness: CWE-78, CWE-77
Updated: 2026-11-02

EUVDEUVD-2026-29029 5.1

Record: EUVD-2026-29029
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:P
Updated: 2026-11-02

GitHub AdvisoriesGHSA-55jg-7rxj-hh46 2.0

A vulnerability was identified in D-Link DNS-320 2.06B01. The impacted element is the function...

Record: GHSA-55jg-7rxj-hh46
CVSS 4.0: 2.0 LowCVSS: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:P/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

NVD 2.0

Record: CVE-2026-8271
CVSS 4.0: 2.0 LowCVSS: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:P/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

Affected products

History

History
When	Changed	Sources
2026-11-02	created	CVE List, EUVD, GitHub Advisories, NVD