VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVPublished CVSS 9.4 criticalEPSS 3.6% probability of exploitation in 30 days
D-Link

CVE-2026-82691: D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 CGI usb_device.cgi os command injection

Is it exploited?

Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.

How likely is exploitation in the next 30 days?
3.6%

EPSS score, percentile 89.4 of all scored records. A probability estimated by FIRST, not a report of exploitation.

CISA's SSVC assessment in the CVE record lists exploitation as poc.

How severe?
9.4 Critical

CVSS v4.0 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • 20260717
  • 20260717
  • 20260717
  • 20260717

Versions by product

Source: CISA KEV 2026.10.29, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

As listed in the CVE record.

D-Link DNS-320L
StatusVersions
Affected20260717
D-Link DNS-327L
StatusVersions
Affected20260717
D-Link DNS-340L
StatusVersions
Affected20260717
D-Link DNS-345
StatusVersions
Affected20260717

Source: CVE List, as of . About the data.

About this vulnerability

A vulnerability has been found in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected by this issue is some unknown functionality of the file /cgi-bin/usb_device.cgi of the component CGI Handler. Such manipulation of the argument f_ups_ip leads to os command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.

Summary: CVE record, as of .

  • CISA has not added CVE-2026-82691 to its Known Exploited Vulnerabilities (KEV) catalog, as of 29 Oct 2026.
  • The CVE record was published on 31 Aug 2026.
  • The CVE record carries a CVSS v4.0 base score of 9.4 (Critical), given by its CNA.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 3.6% (percentile 89.4), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
  • CISA's SSVC assessment in the CVE record: exploitation poc, automatable no, technical impact total.

Source: CISA KEV 2026.10.29, as of ; CVE List, as of ; FIRST EPSS, as of . About the data.

Description

D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 CGI usb_device.cgi os command injection

A vulnerability has been found in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected by this issue is some unknown functionality of the file /cgi-bin/usb_device.cgi of the component CGI Handler. Such manipulation of the argument f_ups_ip leads to os command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.

Source: CVE List, as of . About the data.

Weakness

CWE-78, CWE-77

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published
CVE record last updated

References

6

Known exploited D-Link vulnerabilities

  • CVE-2025-29635: D-Link DIR-823X Command Injection Vulnerability (added )
  • CVE-2022-37055: D-Link Routers Buffer Overflow Vulnerability (added )
  • CVE-2020-25078: D-Link DCS-2530L and DCS-2670L Devices Unspecified Vulnerability (added )
  • CVE-2020-25079: D-Link DCS-2530L and DCS-2670L Command Injection Vulnerability (added )
  • CVE-2022-40799: D-Link DNR-322L Download of Code Without Integrity Check Vulnerability (added )