CVE-2026-9455CRITICAL 9.8EPSS p79.6%

CVE-2026-9455CVE-2026-9455

Description

A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument FileName leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public 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
EPSS2.14% probability of exploitation · percentile 79.6% · 2026-06-18T12:00:27Z
Published2026-05-25
Last modified2026-05-26

Underlying weaknesses· 2

CWE-77CWE-78

References

  1. https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_342/README.md
  2. https://vuldb.com/submit/813449
  3. https://vuldb.com/vuln/365436
  4. https://vuldb.com/vuln/365436/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

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2026-9454
CVE
CVE-2026-9456
CVE
CVE-2026-9457
CVE
CVE-2026-6139
CVE
CVE-2026-9458
CVE
CVE-2026-9385
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.