Paper/Archive/CVE-2026-4194

CVE-2026-4194

D-Link DNS-120 — D-Link DNS-1550-04 system_mgr.cgi cgi_set_wto access control

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 92.2.922 × 2018.4 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

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. The impacted element is the function cgi_set_wto of the file /cgi-bin/system_mgr.cgi. Performing a manipulation results in improper access controls. Remote exploitation of the attack is possible. The exploit is now public and may be used.

Affected

ProductAffectedFixed inSource

DNS-12020260205–CNA

DNR-202L20260205–CNA

DNS-315L20260205–CNA

DNS-32020260205–CNA

DNS-320L20260205–CNA

DNS-320LW20260205–CNA

DNS-32120260205–CNA

DNR-322L20260205–CNA

DNS-32320260205–CNA

DNS-32520260205–CNA

DNS-32620260205–CNA

DNS-327L20260205–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

VulDB (CNA)7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:R

VulDB (CNA)7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:R

VulDB (CNA)6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: partial

References

writeupvuldb.com/?id.351106 refvuldb.com/?ctiid.351106 writeupvuldb.com/?submit.769853 exploitgithub.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_96/96.md refdlink.com