SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-4196

A vulnerability has been found 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…

LOW 2.1EPSS 4.11%

Does this matter?

Lower severity and a low EPSS score (4.11%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability has been found 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. This impacts the function cgi_recovery/cgi_backup_now/cgi_set_schedule/cgi_set_rsync_server of the file /cgi-bin/remote_backup.cgi. The manipulation leads to command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the 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
4.11% probability · 90th percentile
CISA KEV
Not listed
Weakness
CWE-74, CWE-77
Affected
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 · dlink/dnr-202l firmware · dlink/dnr-326 firmware · dlink/dns-1100-4 firmware · dlink/dns-120 firmware · dlink/dns-1200-05 firmware
Source
cna@vuldb.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.