CVE-2026-5852CRITICAL 9.8EPSS p96.1%

CVE-2026-5852CVE-2026-5852

Description

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument igmpVer causes os command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

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
EPSS14.28% probability of exploitation · percentile 96.1% · 2026-06-19T12:03:05Z
Published2026-04-09
Last modified2026-04-27

Underlying weaknesses· 2

CWE-77CWE-78

References

  1. https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_158/README.md
  2. https://vuldb.com/submit/791272
  3. https://vuldb.com/vuln/356378
  4. https://vuldb.com/vuln/356378/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

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