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Apexward Pulse
Type Vulnerability

D-Link

D-Link DNR-322L Download of Code Without Integrity Check Vulnerability

1 sourceCVE-2022-40799

At a glance

Medium
7-day window, from the last update
ActiveConfirmed in-the-wild exploitation
Evidence-weighted, not popularity
Signal

Actively exploited in the wild — prioritise confirming exposure.

Why Medium

Medium rather than High: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on D-Link DNR-322L, treat it as High.

Briefing

There is no written leader briefing for this story yet. These questions come from the facts we hold.

Questions to ask IT

  • Do we run D-Link DNR-322L, and which versions?
  • Is any of it reachable from the internet?
  • Have we checked whether it has already been used against us?
  • If it is not yet patched, what mitigation is in place, and will the fix be done by 12 Nov?

Next steps

  1. Confirm exposure, mitigation status and any service interruption risk.

Summary

  • D-Link DNR-322L contains a download of code without integrity check vulnerability that could allow an authenticated attacker to execute OS level commands on the device. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS).
  • CVE-2022-40799 is listed in known-exploited catalogue (exploitation in the wild)
  • Authoritative catalogues report active exploitation of this vulnerability.

Why this matters in the UK

  • Known-exploited catalogue reports exploitation in the wild

Products and services involved

Pulse

Last checked 24m ago · Next recheck 10 Nov 2026, 04:36 UK time · 3 quiet checks collapsed

Update
5 Nov 2026, 00:06 UK time · 4d ago

Suggested changed to 7d.

Listed on the — prioritise confirming exposure and patching.

EscalationDe-escalationCritical / liveWhat these mean
Drag to pan · Ctrl / ⌘ + scroll or pinch to zoom6 events

4 quiet checks hidden.

Sources

How we know

Statements extracted from sources. Higher confidence means stronger corroboration.

  • ConfirmedHeadline90% confidence

    D-Link DNR-322L Download of Code Without Integrity Check Vulnerability

  • ConfirmedSummary fact75% confidence

    D-Link DNR-322L contains a download of code without integrity check vulnerability that could allow an authenticated attacker to execute OS level commands on the device. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization. Affects D-Link DNR-322L. Known ransomware campaign use: Unknown.

  • ConfirmedCVE identifier95% confidence

    Event involves CVE-2022-40799

  • ConfirmedKnown-exploited catalogue98% confidence

    CVE-2022-40799 is listed in known-exploited catalogue (exploitation in the wild)