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Fencer Intel
high 7.8

CVE-2014-8872 json

Improper Verification of Cryptographic Signature in AVM FRITZ!Box 6810 LTE after firmware 5.22, FRITZ!Box 6840 LTE after firmware 5.23, and…

published 9y ago modified 4mo ago also EUVD-2014-8702

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

Improper Verification of Cryptographic Signature in AVM FRITZ!Box 6810 LTE after firmware 5.22, FRITZ!Box 6840 LTE after firmware 5.23, and other models with firmware 5.50.

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Exploit prediction

1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • packetstormsecurity.com http://packetstormsecurity.com/files/130040/AVM-FRITZ-Box-Firmware-Signature-Bypass.html referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2015/Jan/86 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

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.