CVE-2026-4194
Last modified
CVE-2026-4194 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.24% chance of exploitation in the next 30 days.
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. 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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dnr-202l Firmware | <= 2026-02-05 |
| Dlink | Dnr-326 Firmware | <= 2026-02-05 |
| Dlink | Dns-1100-4 Firmware | <= 2026-02-05 |
| Dlink | Dns-120 Firmware | <= 2026-02-05 |
| Dlink | Dns-1200-05 Firmware | <= 2026-02-05 |
| Dlink | Dns-1550-04 Firmware | <= 2026-02-05 |
| Dlink | Dns-315l Firmware | <= 2026-02-05 |
| Dlink | Dns-320 Firmware | <= 2026-02-05 |
| Dlink | Dns-320l Firmware | <= 2026-02-05 |
| Dlink | Dns-320lw Firmware | <= 2026-02-05 |
| Dlink | Dns-321 Firmware | <= 2026-02-05 |
| Dlink | Dns-322l Firmware | <= 2026-02-05 |
| Dlink | Dns-323 Firmware | <= 2026-02-05 |
| Dlink | Dns-325 Firmware | <= 2026-02-05 |
| Dlink | Dns-326 Firmware | <= 2026-02-05 |
| Dlink | Dns-327l Firmware | <= 2026-02-05 |
| Dlink | Dns-340l Firmware | <= 2026-02-05 |
| Dlink | Dns-343 Firmware | <= 2026-02-05 |
| Dlink | Dns-345 Firmware | <= 2026-02-05 |
| Dlink | Dns-726-4 Firmware | <= 2026-02-05 |
References
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_96/96.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.351106Permissions Required, VDB Entry
- https://vuldb.com/?id.351106Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.769853Third Party Advisory, VDB Entry
- https://www.dlink.com/Product
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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