CVE-2026-8271 D-Link DNS-320 network_mgr.cgi cgi_upnp_edit os command injection
Remote attackers can execute arbitrary OS commands on D-Link DNS-320 devices via the network_mgr.cgi script, requiring authentication.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8271?
CVE-2026-8271 is a medium-severity command injection vulnerability in Dlink Dns-320 Firmware, published on 11 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-8271?
It affects 1 product.
Products include Dlink Dns-320 Firmware.
How do I fix CVE-2026-8271?
No fix has been published for CVE-2026-8271 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-8271 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8271 exists.
Other vulnerabilities in Dlink Dns-320 Firmware
- CVE-2020-25506 D-Link DNS-320 Device Command Injection
- CVE-2019-16057 D-Link DNS-320 Remote Code Execution
- CVE-2024-10914 D-Link DNS-320/DNS-320LW/DNS-325/DNS-340L account_mgr.cgi cgi_user_add os command injection
- CVE-2024-10915 D-Link DNS-320/DNS-320LW/DNS-325/DNS-340L account_mgr.cgi cgi_user_add os command injection
- CVE-2024-10916 D-Link DNS-320/DNS-320LW/DNS-325/DNS-340L HTTP GET Request info.xml information disclosure
Sources
Also known as GHSA-55jg-7rxj-hh46.