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Fencer Intel
medium 6.5

CVE-2019-7439 json

cgi-bin/qcmap_web_cgi on JioFi 4G M2S 1.0.2 devices allows a DoS (Hang) via the mask POST parameter.

published 7y ago modified 4mo ago also EUVD-2019-16981

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.8%
EPSS 4.8% chance of exploitation in 30 days, percentile 91%
public exploits
1
Exploit-DB

Summary

cgi-bin/qcmap_web_cgi on JioFi 4G M2S 1.0.2 devices allows a DoS (Hang) via the mask POST parameter.

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Timeline

  1. Published
  2. First public exploit (EDB-46752)

Exploit prediction

4.77% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-46752 JioFi 4G M2S 1.0.2 - Denial of Service dos, 2019-04-25
  • gkaim.com https://gkaim.com/cve-2019-7439-vikas-chaudhary/ referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/152626/JioFi-4G-M2S-1.0.2-Denial-Of-Service.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 6.1 AV:A/AC:L/Au:N/C:N/I:N/A:C

References

Sources

Fencer Intel 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.