THREATPORT/VULNERABILITY/CVE-2025-15391
MEDIUM SEVERITY

CVE-2025-15391

Dir 806a Firmware vulnerability

CVSS
6.3
EPSS
3.7%
EPSS pct
89th
Exploited
No known
A weakness has been identified in D-Link DIR-806A 100CNb11. Affected is the function ssdpcgi_main of the component SSDP Request Handler. This manipulation causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited. This vulnerability only affects products that are no longer supported by the maintainer.
Affected vendor
Dlink
Affected product
Dir 806a Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness type (CWE)
Published
2025-12-31

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2025-15391

  • Confirm whether Dlink Dir 806a Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-15391.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-15391

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-15391 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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