CVE-2025-8139HIGH 8.8EPSS p56.1%

CVE-2025-8139CVE-2025-8139

Description

A vulnerability was found in TOTOLINK A702R 4.0.0-B20230721.1521. It has been classified as critical. This affects an unknown part of the file /boafrm/formPortFw of the component HTTP POST Request Handler. The manipulation of the argument service_type leads to buffer overflow. It is possible to initiate the attack 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
EPSS0.94% probability of exploitation · percentile 56.1% · 2026-06-18T12:00:27Z
Published2025-07-25
Last modified2025-07-28

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://github.com/panda666-888/vuls/blob/main/totolink/a702r/formPortFw.md
  2. https://vuldb.com/?ctiid.317535
  3. https://vuldb.com/?id.317535
  4. https://vuldb.com/?submit.620485
  5. https://www.totolink.net/

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.