CVE-2026-0839HIGH 8.8EPSS p57.5%

CVE-2026-0839CVE-2026-0839

Description

A weakness has been identified in UTT 进取 520W 1.7.7-180627. Affected is the function strcpy of the file /goform/APSecurity. Executing a manipulation of the argument wepkey1 can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. 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
EPSS0.97% probability of exploitation · percentile 57.5% · 2026-06-19T12:03:05Z
Published2026-01-11
Last modified2026-01-13

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://github.com/GUOTINGTING2297/cve/blob/main/1234/29.md
  2. https://vuldb.com/?ctiid.340439
  3. https://vuldb.com/?id.340439
  4. https://vuldb.com/?submit.729028

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

Related by meaning· 6

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