CVE-2026-4213 - Vulnerability Analysis

Overview

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.

Severity & Score

Severity: High

CVSS Score: 8.8

EPSS Score: 8.4%(Probability of exploitation in next 30 days)

References

Social Media Activity(2 posts)

TheHackerWire

@thehackerwire

Mar 16, 2026

🟠 CVE-2026-4213 - High (8.8) 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... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-4213/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post