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Fencer Vulns
critical 9.1

CVE-2025-56231 json

Tonec Internet Download Manager 6.42.41.1 and earlier suffers from Missing SSL Certificate Validation, which allows attackers to bypass upd…

published 2025-11-05 12 mo ago modified 2026-11-05 3 d ago also EUVD-2025-37933

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 16%
public exploits
0
none known

Summary

Tonec Internet Download Manager 6.42.41.1 and earlier suffers from Missing SSL Certificate Validation, which allows attackers to bypass update protections.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
12 mo ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • notion.so https://www.notion.so/CVE-2025-56231-2a04e9f2a40d80b184f4d02be58d3600 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.