CVE-2025-12258HIGH 8.8EPSS p53.1%

CVE-2025-12258CVE-2025-12258

Description

A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. Impacted is the function setOpModeCfg of the file /cgi-bin/cstecgi.cg of the component POST Parameter Handler. The manipulation of the argument opmode results in stack-based buffer overflow. The attack may be performed from remote.

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
EPSS0.84% probability of exploitation · percentile 53.1% · 2026-06-18T12:00:27Z
Published2025-10-27
Last modified2025-10-28

Underlying weaknesses· 2

CWE-119CWE-121

References

  1. https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setOpModeCfg.md
  2. https://vuldb.com/?ctiid.329929
  3. https://vuldb.com/?id.329929
  4. https://vuldb.com/?submit.673725
  5. https://www.totolink.net/

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.