CVE-2026-9457CRITICAL 9.8EPSS p79.2%

CVE-2026-9457CVE-2026-9457

Description

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

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
EPSS2.09% probability of exploitation · percentile 79.2% · 2026-06-19T12:03:05Z
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_343/README.md
  2. https://vuldb.com/submit/813454
  3. https://vuldb.com/vuln/365438
  4. https://vuldb.com/vuln/365438/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-2026-9455
CVE
CVE-2026-9458
CVE
CVE-2026-9477
CVE
CVE-2026-9387
CVE
CVE-2026-9476
CVE
CVE-2026-9406
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.