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Apexward Pulse
Type Vulnerability

TP-Link · Code execution

TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Vulnerability

1 sourceCVE-2025-9377

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 TP-Link TL-WR841N, 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 TP-Link TL-WR841N, and is every instance on version 241108 or later?
  • 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 11 Nov?

Next steps

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

Summary

  • TP-Link Archer C7(EU) and TL-WR841N/ND(MS) contain an OS command injection vulnerability that exists in the Parental Control page. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS).
  • CVE-2025-9377 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

17 reports

Part of Multiple command injection vulnerabilities reported

All 17 reports in this story

Pulse

Last checked 53m ago · Next recheck 10 Nov 2026, 04:08 UK time · 3 quiet checks collapsed

Update
4 Nov 2026, 23:36 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

3 quiet checks hidden.

Sources

How we know

Statements extracted from sources. Higher confidence means stronger corroboration.

  • ConfirmedHeadline90% confidence

    TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Vulnerability

  • ConfirmedSummary fact75% confidence

    TP-Link Archer C7(EU) and TL-WR841N/ND(MS) contain an OS command injection vulnerability that exists in the Parental Control page. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization. Affects TP-Link Multiple Routers. Known ransomware campaign use: Unknown.

  • ConfirmedCVE identifier95% confidence

    Event involves CVE-2025-9377

  • ConfirmedKnown-exploited catalogue98% confidence

    CVE-2025-9377 is listed in known-exploited catalogue (exploitation in the wild)