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CVE-2026-4211

D-Link DNS-1550-04 local_backup_mgr.cgi Local_Backup_Info stack-based overflow

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: total

Summary

A weakness has been 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 by this issue is the function Local_Backup_Info of the file /cgi-bin/local_backup_mgr.cgi. This manipulation of the argument f_idx causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • D-Link DNS-120

    20260205

  • D-Link DNR-202L

    20260205

  • D-Link DNS-315L

    20260205

  • D-Link DNS-320

    20260205

  • D-Link DNS-320L

    20260205

  • D-Link DNS-320LW

    20260205

  • D-Link DNS-321

    20260205

  • D-Link DNR-322L

    20260205

  • D-Link DNS-323

    20260205

  • D-Link DNS-325

    20260205

  • D-Link DNS-326

    20260205

  • D-Link DNS-327L

    20260205

  • D-Link DNR-326

    20260205

  • D-Link DNS-340L

    20260205

  • D-Link DNS-343

    20260205

  • D-Link DNS-345

    20260205

  • D-Link DNS-726-4

    20260205

  • D-Link DNS-1100-4

    20260205

  • D-Link DNS-1200-05

    20260205

  • D-Link DNS-1550-04

    20260205

References 5

vuldb.com

GitHub · wudipjq/my_vuln

dlink.com