CVE-2026-5526CRITICAL 7.3EPSS p28.9%

CVE-2026-5526CVE-2026-5526

tenda / 4g03_pro_firmware

Description

A security flaw has been discovered in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1. Affected by this vulnerability is an unknown functionality of the file /bin/httpd. The manipulation results in improper access controls. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

Scoring

CVSS 3.17.3 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS0.36% probability of exploitation · percentile 28.9% · 2026-08-03T12:00:16Z
Published2026-04-04
Last modified2026-07-24

Underlying weaknesses· 2

CWE-266CWE-284

References

  1. https://vuldb.com/submit/782052
  2. https://vuldb.com/vuln/355279
  3. https://vuldb.com/vuln/355279/cti
  4. https://www.tenda.com.cn/

2

TypeTargetConfidenceTier
WeaknessIncorrect Privilege Assignmentcwe-2660%live
WeaknessImproper Access Controlcwe-2840%live

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