CVE-2026-4204D-Link DNS-1550-04 gui_mgr.cgi cgi_mycloud_auto_downlaod command injection
Updated under an hour ago ()
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It affects D-Link DNS-120 and 39 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A flaw 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. The affected element is the function cgi_myfavorite_add/cgi_myfavorite_set/cgi_myfavorite_del/cgi_myfavorite_set_sort_info/cgi_myfavorite_remove_apkg/cgi_myfavorite_compare_apkg/cgi_mycloud_auto_downlaod of the file /cgi-bin/gui_mgr.cgi. This manipulation of the argument f_user causes command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-77, CWE-74
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Mar 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
D-Link DNS-120 d_link:dns_120 (from the name) | 20260205 | CNA record |
D-Link DNR-202L d_link:dnr_202l (from the name) | 20260205 | CNA record |
D-Link DNS-315L d_link:dns_315l (from the name) | 20260205 | CNA record |
D-Link DNS-320 d_link:dns_320 (from the name) | 20260205 | CNA record |
D-Link DNS-320L d_link:dns_320l (from the name) | 20260205 | CNA record |
D-Link DNS-320LW d_link:dns_320lw (from the name) | 20260205 | CNA record |
D-Link DNS-321 d_link:dns_321 (from the name) | 20260205 | CNA record |
D-Link DNR-322L d_link:dnr_322l (from the name) | 20260205 | CNA record |
D-Link DNS-323 d_link:dns_323 (from the name) | 20260205 | CNA record |
D-Link DNS-325 d_link:dns_325 (from the name) | 20260205 | CNA record |
D-Link DNS-326 d_link:dns_326 (from the name) | 20260205 | CNA record |
D-Link DNS-327L d_link:dns_327l (from the name) | 20260205 | CNA record |
D-Link DNR-326 d_link:dnr_326 (from the name) | 20260205 | CNA record |
D-Link DNS-340L d_link:dns_340l (from the name) | 20260205 | CNA record |
D-Link DNS-343 d_link:dns_343 (from the name) | 20260205 | CNA record |
D-Link DNS-345 d_link:dns_345 (from the name) | 20260205 | CNA record |
D-Link DNS-726-4 d_link:dns_726_4 (from the name) | 20260205 | CNA record |
D-Link DNS-1100-4 d_link:dns_1100_4 (from the name) | 20260205 | CNA record |
D-Link DNS-1200-05 d_link:dns_1200_05 (from the name) | 20260205 | CNA record |
D-Link DNS-1550-04 d_link:dns_1550_04 (from the name) | 20260205 | CNA record |
dlink dnr-202l_firmware dlink:dnr-202l_firmware | through 2026-02-05 | NVD |
dlink dnr-326_firmware dlink:dnr-326_firmware | through 2026-02-05 | NVD |
dlink dns-1100-4_firmware dlink:dns-1100-4_firmware | through 2026-02-05 | NVD |
dlink dns-120_firmware dlink:dns-120_firmware | through 2026-02-05 | NVD |
dlink dns-1200-05_firmware dlink:dns-1200-05_firmware | through 2026-02-05 | NVD |
dlink dns-1550-04_firmware dlink:dns-1550-04_firmware | through 2026-02-05 | NVD |
dlink dns-315l_firmware dlink:dns-315l_firmware | through 2026-02-05 | NVD |
dlink dns-320_firmware dlink:dns-320_firmware | through 2026-02-05 | NVD |
dlink dns-320l_firmware dlink:dns-320l_firmware | through 2026-02-05 | NVD |
dlink dns-320lw_firmware dlink:dns-320lw_firmware | through 2026-02-05 | NVD |
dlink dns-321_firmware dlink:dns-321_firmware | through 2026-02-05 | NVD |
dlink dns-322l_firmware dlink:dns-322l_firmware | through 2026-02-05 | NVD |
dlink dns-323_firmware dlink:dns-323_firmware | through 2026-02-05 | NVD |
dlink dns-325_firmware dlink:dns-325_firmware | through 2026-02-05 | NVD |
dlink dns-326_firmware dlink:dns-326_firmware | through 2026-02-05 | NVD |
dlink dns-327l_firmware dlink:dns-327l_firmware | through 2026-02-05 | NVD |
dlink dns-340l_firmware dlink:dns-340l_firmware | through 2026-02-05 | NVD |
dlink dns-343_firmware dlink:dns-343_firmware | through 2026-02-05 | NVD |
dlink dns-345_firmware dlink:dns-345_firmware | through 2026-02-05 | NVD |
dlink dns-726-4_firmware dlink:dns-726-4_firmware | through 2026-02-05 | NVD |
References
- https://vuldb.com/?id.351116vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/?ctiid.351116signature, permissions-required, vdb-entry
- https://vuldb.com/?submit.770409third-party-advisory, vdb-entry
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_130/130.mdexploit, third-party-advisory
- https://www.dlink.com/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.