CVE-2026-4196

Summary

A vulnerability has been found 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 impacts the function cgi_recovery/cgi_backup_now/cgi_set_schedule/cgi_set_rsync_server of the file /cgi-bin/remote_backup.cgi. The manipulation leads to command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Affected Software

Weaknesses

• CWE-77: Command Injection
• CWE-74: Injection

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

References

• https://vuldb.com/?id.351108
• https://vuldb.com/?ctiid.351108
• https://vuldb.com/?submit.769855
• https://vuldb.com/?submit.769856
• https://vuldb.com/?submit.769857
• https://vuldb.com/?submit.769858
• https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_98/98.md
• https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_99/99.md
• https://www.dlink.com/

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