CVE-2025-4851CRITICAL 9.8EPSS p73.3%

CVE-2025-4851CVE-2025-4851

Description

A vulnerability classified as critical was found in TOTOLINK N300RH 6.1c.1390_B20191101. This vulnerability affects the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to command injection. The attack can be initiated remotely. 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
EPSS1.64% probability of exploitation · percentile 73.3% · 2026-06-18T12:00:27Z
Published2025-05-18
Last modified2025-05-24

Underlying weaknesses· 2

CWE-74CWE-77

References

  1. https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/m3.md
  2. https://vuldb.com/?ctiid.309322
  3. https://vuldb.com/?id.309322
  4. https://vuldb.com/?submit.575074
  5. https://www.totolink.net/

2

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

Related by meaning· 6

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

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