Description

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.

INFO

Published Date :

2026-03-16T03:32:10.022Z

Last Modified :

2026-03-16T15:30:57.338Z

Source :

VulDB
AFFECTED PRODUCTS

The following products are affected by CVE-2026-4211 vulnerability.

Vendors Products
D-link
  • Dnr-202l
  • Dnr-322l
  • Dnr-326
  • Dns-1100-4
  • Dns-120
  • Dns-1200-05
  • Dns-1550-04
  • Dns-315l
  • Dns-320
  • Dns-320l
  • Dns-320lw
  • Dns-321
  • Dns-323
  • Dns-325
  • Dns-326
  • Dns-327l
  • Dns-340l
  • Dns-343
  • Dns-345
  • Dns-726-4
Dlink
  • Dnr-202l
  • Dnr-202l Firmware
  • Dnr-326
  • Dnr-326 Firmware
  • Dns-1100-4
  • Dns-1100-4 Firmware
  • Dns-120
  • Dns-1200-05
  • Dns-1200-05 Firmware
  • Dns-120 Firmware
  • Dns-1550-04
  • Dns-1550-04 Firmware
  • Dns-315l
  • Dns-315l Firmware
  • Dns-320
  • Dns-320 Firmware
  • Dns-320l
  • Dns-320l Firmware
  • Dns-320lw
  • Dns-320lw Firmware
  • Dns-321
  • Dns-321 Firmware
  • Dns-322l
  • Dns-322l Firmware
  • Dns-323
  • Dns-323 Firmware
  • Dns-325
  • Dns-325 Firmware
  • Dns-326
  • Dns-326 Firmware
  • Dns-327l
  • Dns-327l Firmware
  • Dns-340l
  • Dns-340l Firmware
  • Dns-343
  • Dns-343 Firmware
  • Dns-345
  • Dns-345 Firmware
  • Dns-726-4
  • Dns-726-4 Firmware
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-4211.

URL Resource
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_160/160.md cve-icon cve-icon
https://vuldb.com/?ctiid.351122 cve-icon cve-icon
https://vuldb.com/?id.351122 cve-icon cve-icon
https://vuldb.com/?submit.770441 cve-icon cve-icon
https://www.dlink.com/ cve-icon cve-icon
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