CVE-2025-9527HIGH 8.8EPSS p67.2%

CVE-2025-9527CVE-2025-9527

Description

A vulnerability was found in Linksys E1700 1.0.0.4.003. This affects the function QoSSetup of the file /goform/QoSSetup. Performing manipulation of the argument ack_policy results in stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

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
EPSS1.32% probability of exploitation · percentile 67.2% · 2026-06-19T12:03:05Z
Published2025-08-27
Last modified2025-10-09

Underlying weaknesses· 2

CWE-119CWE-121

References

  1. https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_60/60.md
  2. https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_60/60.md#poc
  3. https://vuldb.com/?ctiid.321544
  4. https://vuldb.com/?id.321544
  5. https://vuldb.com/?submit.634826
  6. https://www.linksys.com/

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessStack-based Buffer Overflowcwe-1210%live

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