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Fencer Vulns
critical 9.8

CVE-2020-7508 json

A CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists in Easergy T300 (Firmware version 1.5.2 and older)…

published 2020-06-16 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28633

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

A CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists in Easergy T300 (Firmware version 1.5.2 and older) which could allow an attacker to gain full access by brute force.

Exploit prediction

1.47% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • n/a Easergy T300 (Firmware version 1.5.2 and older)

Classification

Weakness
  • CWE-307 Improper Restriction of Excessive Authentication Attempts

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.