CVE-2025-6121CRITICAL 9.8EPSS p76.9%

CVE-2025-6121CVE-2025-6121

Description

A vulnerability, which was classified as critical, has been found in D-Link DIR-632 FW103B08. Affected by this issue is the function get_pure_content of the component HTTP POST Request Handler. The manipulation of the argument Content-Length leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS1.89% probability of exploitation · percentile 76.9% · 2026-06-18T12:00:27Z
Published2025-06-16
Last modified2025-06-17

Underlying weaknesses· 2

CWE-119CWE-121

References

  1. https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir632-dlink-get_pure_content
  2. https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir632-dlink-get_pure_content#poc
  3. https://vuldb.com/?ctiid.312590
  4. https://vuldb.com/?id.312590
  5. https://vuldb.com/?submit.592574
  6. https://www.dlink.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.