THREATPORT/VULNERABILITY/CVE-2025-6151
HIGH SEVERITY

CVE-2025-6151

Tl Wr940n Firmware vulnerability

Severity
HIGH
EPSS
3.1%
EPSS pct
86th
Exploited
No known
A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
Affected vendor
Tp Link
Affected product
Tl Wr940n Firmware
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
  • CWE-120 — Classic Buffer Overflow
Published
2025-06-17

Risk analysis

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2025-6151

  • Confirm whether Tp Link Tl Wr940n Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-6151.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-6151

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-6151 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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