CVE-2026-4213 - Vulnerability Analysis

Overview

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 <= 20260205 contain a stack-based buffer overflow caused by manipulation in cgi_myfavorite_del_user/cgi_myfavorite_verify functions in /cgi-bin/gui_mgr.cgi, letting remote attackers execute arbitrary code, exploit requires no special privileges.

Severity & Score

Impact

Remote attackers can execute arbitrary code, potentially leading to full system compromise.

Mitigation

Update to the latest available version beyond 20260205.

References

• https://vuldb.com/?submit.770443
• https://vuldb.com/?submit.770444
• https://www.dlink.com/
• 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

Social Media Activity(1 post)

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

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• Vulnerability Intelligence Dashboard
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