CVE-2026-3398HIGH 8.8EPSS p45.5%

CVE-2026-3398CVE-2026-3398

Description

A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. Executing a manipulation of the argument wanmode/PPPOEPassword can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

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
EPSS0.63% probability of exploitation · percentile 45.5% · 2026-06-19T12:03:05Z
Published2026-03-01
Last modified2026-03-03

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://github.com/Litengzheng/vul_db/blob/main/F453/vul_82/README.md
  2. https://vuldb.com/?ctiid.348293
  3. https://vuldb.com/?id.348293
  4. https://vuldb.com/?submit.759630
  5. https://www.tenda.com.cn/

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.