CVE-2026-6138CRITICAL 9.8EPSS p76.0%

CVE-2026-6138CVE-2026-6138

Description

A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mac causes os command injection. The attack can be initiated remotely. The exploit has been published and may be used.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS1.82% probability of exploitation · percentile 76.0% · 2026-06-18T12:00:27Z
Published2026-04-13
Last modified2026-04-27

Underlying weaknesses· 2

CWE-77CWE-78

References

  1. https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_191/README.md
  2. https://vuldb.com/submit/792980
  3. https://vuldb.com/vuln/357002
  4. https://vuldb.com/vuln/357002/cti
  5. https://www.totolink.net/

2

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in a Command ('Command Injection')cwe-770%live
WeaknessImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection')cwe-780%live

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