Login Request a demo
Critical severity · published Sep 3, 2026
CVE-2026-85222
D-Link DNS-340L Add-On Center addon_center.cgi os command injection
9.1
CVSS
3.6%
EPSS
No
On KEV
Description
A vulnerability has been found in D-Link DNS-340L 1.01B04. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/addon_center.cgi of the component Add-On Center. Such manipulation of the argument f_name/f_url/f_flag/f_login_user leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DN
DNS-340L · D-Link
1.01B04 · source: vendor
Affected product
DN
DNS-340L
D-Link
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-85222
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-85222
github.com
https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CMD-007-vulndb.md
vuldb.com
https://vuldb.com/cve/CVE-2026-85222
vuldb.com
https://vuldb.com/submit/894212
vuldb.com
https://vuldb.com/vuln/398421
vuldb.com
https://vuldb.com/vuln/398421/cti
www.dlink.com
https://www.dlink.com/
More from DNS-340L
9.8
CVE-2024-3273
D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection
9.8
CVE-2024-3272
D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi hard-coded credentials
9.9
CVE-2026-85223
D-Link DNS-340L CGI dropbox.cgi os command injection
9.9
CVE-2026-82692
D-Link DNS-340L/DNS-345 iscsi_mgr.cgi os command injection
9.9
CVE-2026-82689
D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 ISO Image isomount_mgr.cgi os command injection