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The vulnerability in the script /cgi-bin/network_mgr.cgi of the 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, allows a hacker to execute arbitrary commands.

🗓️ 09 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 2 Views

Flaw in network manager script on D-Link devices allows remote code execution from poor sanitization.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-4203
16 Mar 202601:02
attackerkb
CNNVD
D-Link多款产品 命令注入漏洞
16 Mar 202600:00
cnnvd
CVE
CVE-2026-4203
16 Mar 202601:02
cve
Cvelist
CVE-2026-4203 D-Link DNS-1550-04 network_mgr.cgi cgi_dhcpd command injection
16 Mar 202601:02
cvelist
EUVD
EUVD-2026-12275
16 Mar 202615:30
euvd
NVD
CVE-2026-4203
16 Mar 202614:20
nvd
Positive Technologies
PT-2026-25583
16 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-4203
26 Mar 202615:15
redhatcve
Vulnrichment
CVE-2026-4203 D-Link DNS-1550-04 network_mgr.cgi cgi_dhcpd command injection
16 Mar 202601:02
vulnrichment
Vulners
Node
d-linkdns-120Range20260205
OR
d-linkdnr-202lRange20260205
OR
d-linkdns-315lRange20260205
OR
d-linkdns-320Range20260205
OR
d-linkdns-320lRange20260205
OR
d-linkdns-320lwRange20260205
OR
d-linkdns-321Range20260205
OR
d-linkdnr-322lRange20260205
OR
d-linkdns-323Range20260205
OR
d-linkdns-325Range20260205
OR
d-linkdns-326Range20260205
OR
d-linkdns-327lRange20260205
OR
d-linkdnr-326Range20260205
OR
d-linkdns-340lRange20260205
OR
d-linkdns-343Range20260205
OR
d-linkdns-345Range20260205
OR
d-linkdns-726-4Range20260205
OR
d-linkdns-1100-4Range20260205
OR
d-linkdns-1200-05Range20260205
OR
d-linkdns-1550-04Range20260205

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09 Jul 2026 00:00Current
6.3Medium risk
Vulners AI Score6.3
CVSS 36.3
CVSS 26.5
EPSS0.03831
2