CVE-2026-4205CRITICAL 9.8EPSS p87.7%

CVE-2026-4205CVE-2026-4205

Description

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. The impacted element is the function cgi_refresh_db/FTP_Server_BlockIP_Add/FTP_Server_BlockIP_Del of the file /cgi-bin/app_mgr.cgi. Such manipulation leads to command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS3.50% probability of exploitation · percentile 87.7% · 2026-06-19T12:03:05Z
Published2026-03-16
Last modified2026-04-29

Underlying weaknesses· 2

CWE-74CWE-77

References

  1. https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_131/131.md
  2. https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_132/132.md
  3. https://vuldb.com/?ctiid.351117
  4. https://vuldb.com/?id.351117
  5. https://vuldb.com/?submit.770410
  6. https://vuldb.com/?submit.770411
  7. https://vuldb.com/?submit.770412
  8. https://www.dlink.com/

2

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')cwe-740%live
WeaknessImproper Neutralization of Special Elements used in a Command ('Command Injection')cwe-770%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2026-4203
CVE
CVE-2026-4204
CVE
CVE-2026-4207
CVE
CVE-2026-4206
CVE
CVE-2026-4195
CVE
CVE-2026-4196
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.