CVE-2026-4209

Summary

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.

Affected Software

Weaknesses

• CWE-77: Command Injection
• CWE-74: Injection

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://vuldb.com/?id.351120
• https://vuldb.com/?ctiid.351120
• https://vuldb.com/?submit.770429
• https://vuldb.com/?submit.770430
• https://vuldb.com/?submit.770431
• https://vuldb.com/?submit.770432
• https://vuldb.com/?submit.770433
• https://vuldb.com/?submit.770434
• https://vuldb.com/?submit.770435
• https://vuldb.com/?submit.770436
• https://vuldb.com/?submit.770437
• https://vuldb.com/?submit.770438
• https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_148/148.md
• https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_149/149.md
• https://www.dlink.com/

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