CVE-2026-4209
Description
A vulnerability was identified 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. Affected is the function cgi_create_import_users/cgi_user_batch_create/cgi_user_set_quota/cgi_user_del/cgi_user_modify/cgi_group_set_quota/cgi_group_modify/cgi_group_add/cgi_user_add/cgi_get_modify_group_info/cgi_chg_admin_pw of the file /cgi-bin/account_mgr.cgi. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
CVSS Details
CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Threat Intelligence
Weaknesses 2
Affected Products 40
| Vendor | Product | Version | Range |
|---|---|---|---|
| dlink | dnr-202l_firmware | * | ≤2026-02-05 |
| dlink | dnr-202l | * | any |
| dlink | dnr-326_firmware | * | ≤2026-02-05 |
| dlink | dnr-326 | * | any |
| dlink | dns-1100-4_firmware | * | ≤2026-02-05 |
| dlink | dns-1100-4 | * | any |
| dlink | dns-120_firmware | * | ≤2026-02-05 |
| dlink | dns-120 | * | any |
| dlink | dns-1200-05_firmware | * | ≤2026-02-05 |
| dlink | dns-1200-05 | * | any |
| dlink | dns-1550-04_firmware | * | ≤2026-02-05 |
| dlink | dns-1550-04 | * | any |
| dlink | dns-315l_firmware | * | ≤2026-02-05 |
| dlink | dns-315l | * | any |
| dlink | dns-320_firmware | * | ≤2026-02-05 |
| dlink | dns-320 | * | any |
| dlink | dns-320l_firmware | * | ≤2026-02-05 |
| dlink | dns-320l | * | any |
| dlink | dns-320lw_firmware | * | ≤2026-02-05 |
| dlink | dns-320lw | * | any |
| dlink | dns-321_firmware | * | ≤2026-02-05 |
| dlink | dns-321 | * | any |
| dlink | dns-322l_firmware | * | ≤2026-02-05 |
| dlink | dns-322l | * | any |
| dlink | dns-323_firmware | * | ≤2026-02-05 |
| dlink | dns-323 | * | any |
| dlink | dns-325_firmware | * | ≤2026-02-05 |
| dlink | dns-325 | * | any |
| dlink | dns-326_firmware | * | ≤2026-02-05 |
| dlink | dns-326 | * | any |
| dlink | dns-327l_firmware | * | ≤2026-02-05 |
| dlink | dns-327l | * | any |
| dlink | dns-340l_firmware | * | ≤2026-02-05 |
| dlink | dns-340l | * | any |
| dlink | dns-343_firmware | * | ≤2026-02-05 |
| dlink | dns-343 | * | any |
| dlink | dns-345_firmware | * | ≤2026-02-05 |
| dlink | dns-345 | * | any |
| dlink | dns-726-4_firmware | * | ≤2026-02-05 |
| dlink | dns-726-4 | * | any |
References 15
- github.com https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_148/148.md
- github.com https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_149/149.md
- vuldb.com https://vuldb.com/?ctiid.351120
- vuldb.com https://vuldb.com/?id.351120
- vuldb.com https://vuldb.com/?submit.770429
- vuldb.com https://vuldb.com/?submit.770430
- vuldb.com https://vuldb.com/?submit.770431
- vuldb.com https://vuldb.com/?submit.770432
- vuldb.com https://vuldb.com/?submit.770433
- vuldb.com https://vuldb.com/?submit.770434
- vuldb.com https://vuldb.com/?submit.770435
- vuldb.com https://vuldb.com/?submit.770436
- vuldb.com https://vuldb.com/?submit.770437
- vuldb.com https://vuldb.com/?submit.770438
- dlink.com https://www.dlink.com/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.