CVE-2025-6400HIGH 8.8EPSS p50.5%

CVE-2025-6400CVE-2025-6400

Description

A vulnerability was found in TOTOLINK N300RH 6.1c.1390_B20191101 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formPortFw of the component HTTP POST Message Handler. The manipulation of the argument service_type leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.76% probability of exploitation · percentile 50.5% · 2026-06-19T12:03:05Z
Published2025-06-21
Last modified2025-06-25

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://github.com/d2pq/cve/blob/main/616/20.md
  2. https://github.com/d2pq/cve/blob/main/616/20.md#poc
  3. https://vuldb.com/?ctiid.313394
  4. https://vuldb.com/?id.313394
  5. https://vuldb.com/?submit.597687
  6. https://www.totolink.net/
  7. https://github.com/d2pq/cve/blob/main/616/20.md

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessBuffer Copy without Checking Size of Input ('Classic Buffer Overflow')cwe-1200%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.