CVE-2026-4211

The record

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.

Affected packages

Related vulnerabilities

• CVE-2026-112108 A vulnerability was determined in ztxz16 fastllm up to 0.1.8.2. CWE-119
• CVE-2026-112073 A vulnerability was identified in Tencent ncnn up to 44b02dabdcf97499281a4692ebd65bad73dc… CWE-119
• CVE-2026-90831 A vulnerability was detected in GNU Binutils 2.47. CWE-119
• CVE-2026-90804 A vulnerability was detected in GNU Binutils 2.47. CWE-119
• CVE-2026-90803 A security vulnerability has been detected in GNU Binutils 2.47. CWE-119
• CVE-2026-90801 A security flaw has been discovered in GNU Binutils 2.47. CWE-119
• CVE-2026-87933 A vulnerability was found in DaveGamble cJSON up to 1.7.19. CWE-119
• CVE-2026-87931 A vulnerability has been found in Behavioral Technology Group Pavlok Behavioral… CWE-119