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Fencer Vulns
critical 9.8

CVE-2019-12489 json

An issue was discovered on Fastweb Askey RTV1907VW 0.00.81_FW_200_Askey 2018-10-02 18:08:18 devices.

published 2019-11-26 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4085

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.2%
EPSS 6.2% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

An issue was discovered on Fastweb Askey RTV1907VW 0.00.81_FW_200_Askey 2018-10-02 18:08:18 devices. By using the usb_remove service through an HTTP request, it is possible to inject and execute a command between two & characters in the mount parameter.

Exploit prediction

6.23% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • exploit-db.com https://www.exploit-db.com/exploits/47654 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/garis/Fastgate referenced PoC, tagged "exploit" by a source, unverified

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 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

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.