CVE-2026-5101HIGH 8.8EPSS p80.0%

CVE-2026-5101CVE-2026-5101

Description

A vulnerability was identified in Totolink A3300R 17.0.0cu.557_b20221024. This affects the function setLanCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument lanIp leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS2.18% probability of exploitation · percentile 80.0% · 2026-06-19T12:03:05Z
Published2026-03-29
Last modified2026-04-29

Underlying weaknesses· 3

CWE-74CWE-77CWE-78

References

  1. https://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_39/README.md
  2. https://vuldb.com/submit/779128
  3. https://vuldb.com/vuln/354126
  4. https://vuldb.com/vuln/354126/cti
  5. https://www.totolink.net/

3

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')cwe-740%live
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.