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Fencer Vulns
high 7.5

CVE-2022-39830 json

sign_pFwInfo in Samsung mTower through 0.3.0 has a missing check on the return value of EC_KEY_set_public_key_affine_coordinates, leading t…

published 2022-09-05 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-42275

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

sign_pFwInfo in Samsung mTower through 0.3.0 has a missing check on the return value of EC_KEY_set_public_key_affine_coordinates, leading to a denial of service.

Exploit prediction

1.37% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Samsung/mTower/issues/77 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tools/fwinfogen.c#L194 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.