CVE-2026-4213

March 16, 2026, 2:53 p.m.

7.4
High

Description

A vulnerability was detected 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. This vulnerability affects the function cgi_myfavorite_del_user/cgi_myfavorite_verify of the file /cgi-bin/gui_mgr.cgi. Performing a manipulation results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

Product(s) Impacted

Vendor Product Versions
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
  • Dns-1550-04
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Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a d-link dns-120 / / / / / / / /
a d-link dnr-202l / / / / / / / /
a d-link dns-315l / / / / / / / /
a d-link dns-320 / / / / / / / /
a d-link dns-320l / / / / / / / /
a d-link dns-320lw / / / / / / / /
a d-link dns-321 / / / / / / / /
a d-link dnr-322l / / / / / / / /
a d-link dns-323 / / / / / / / /
a d-link dns-325 / / / / / / / /
a d-link dns-326 / / / / / / / /
a d-link dns-327l / / / / / / / /
a d-link dnr-326 / / / / / / / /
a d-link dns-340l / / / / / / / /
a d-link dns-343 / / / / / / / /
a d-link dns-345 / / / / / / / /
a d-link dns-726-4 / / / / / / / /
a d-link dns-1100-4 / / / / / / / /
a d-link dns-1200-05 / / / / / / / /
a d-link dns-1550-04 / / / / / / / /

References

https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_162/162.md
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_163/163.md
https://vuldb.com/?ctiid.351124
https://vuldb.com/?id.351124
https://vuldb.com/?submit.770443
https://vuldb.com/?submit.770444
https://www.dlink.com/

Tags

CWE-119
[email protected]
2026-03-16
CVE-2026-4213

CVSS Score

7.4 / 10

CVSS Data - 4.0

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Attack Requirements: NONE
  • Privileges Required: LOW
  • User Interaction: NONE
  • Scope:
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
  • Exploit Maturity: PROOF_OF_CONCEPT

    • CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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

    View Vector String

Timeline

Published: March 16, 2026, 2:20 p.m.
Last Modified: March 16, 2026, 2:53 p.m.

Status : Undergoing Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.