CVE-2026-4203
A vulnerability was detected in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to…
Does this matter?
Lower severity and a low EPSS score (4.21%). Track it; it rarely justifies an emergency change on its own.
Description
A vulnerability was detected in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. Impacted is the function cgi_portforwarding_add/cgi_portforwarding_del/cgi_portforwarding_modify/cgi_portforwarding_add_scan/cgi_dhcpd_lease/cgi_ddns/cgi_ip/cgi_dhcpd of the file /cgi-bin/network_mgr.cgi. The manipulation results in command injection. The attack may be launched remotely. The exploit is now public and may be used.
- CVSS 4.0
- 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/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/M
- EPSS
- 4.21% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74, CWE-77
- Affected
- dlink/dnr-202l firmware · dlink/dnr-326 firmware · dlink/dns-1100-4 firmware · dlink/dns-120 firmware · dlink/dns-1200-05 firmware · dlink/dns-1550-04 firmware · dlink/dns-315l firmware · dlink/dns-320 firmware · dlink/dns-320l firmware · dlink/dns-320lw firmware · dlink/dns-321 firmware · dlink/dns-322l firmware · dlink/dns-323 firmware · dlink/dns-325 firmware · dlink/dns-326 firmware · dlink/dns-327l firmware · dlink/dns-340l firmware · dlink/dns-343 firmware · dlink/dns-345 firmware · dlink/dns-726-4 firmware
- Source
- cna@vuldb.com
References
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_122/122.mdExploit, Third Party Advisory
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_123/123.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.351115Permissions Required, VDB Entry
- https://vuldb.com/?id.351115Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.770401Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.770402Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.770403Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.770404Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.770405Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.770406Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.770407Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.770408Third Party Advisory, VDB Entry
- https://www.dlink.com/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.