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Fencer Intel
critical 9.8

CVE-2025-10547 json

CVE-2025-10547

published last yr. modified 4mo ago also EUVD-2025-32500

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

An uninitialized variable in the HTTP CGI request arguments processing component of Vigor Routers running DrayOS may allow an attacker the ability to perform RCE on the appliance through memory corruption.

Patch / fix

  • DrayTek Corporation Vigor1000B 4.4.5.1
  • DrayTek Corporation Vigor2962 4.4.5.1
  • DrayTek Corporation Vigor3910 4.4.3.6
  • DrayTek Corporation Vigor3912 4.4.5.1
  • DrayTek Corporation Vigor2135 4.5.1
  • DrayTek Corporation Vigor2763 4.5.1
  • DrayTek Corporation Vigor2765 4.5.1
  • DrayTek Corporation Vigor2766 4.5.1
  • DrayTek Corporation Vigor2865 4.5.1
  • DrayTek Corporation Vigor2865 LTE Series 4.5.1
  • DrayTek Corporation Vigor2865L-5G Series 4.5.1
  • DrayTek Corporation Vigor2866 4.5.1
  • DrayTek Corporation Vigor2866 LTE 4.5.1
  • DrayTek Corporation Vigor2927 4.5.1
  • DrayTek Corporation Vigor 2927 LTE 4.5.1
  • DrayTek Corporation Vigor2927L-5G 4.5.1
  • DrayTek Corporation Vigor2915 4.4.6.1
  • DrayTek Corporation Vigor2862 3.9.9.12
  • DrayTek Corporation Vigor2862 LTE 3.9.9.12
  • DrayTek Corporation Vigor2926 3.9.9.12

Is CVE-2025-10547 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • DrayTek Corporation Vigor1000B
  • DrayTek Corporation Vigor2962
  • DrayTek Corporation Vigor3910
  • DrayTek Corporation Vigor3912
  • DrayTek Corporation Vigor2135
  • DrayTek Corporation Vigor2763
  • DrayTek Corporation Vigor2765
  • DrayTek Corporation Vigor2766
  • DrayTek Corporation Vigor2865
  • DrayTek Corporation Vigor2865 LTE Series
  • DrayTek Corporation Vigor2865L-5G Series
  • DrayTek Corporation Vigor2866
  • DrayTek Corporation Vigor2866 LTE
  • DrayTek Corporation Vigor2927
  • DrayTek Corporation Vigor 2927 LTE
  • DrayTek Corporation Vigor2927L-5G
  • DrayTek Corporation Vigor2915
  • DrayTek Corporation Vigor2862
  • DrayTek Corporation Vigor2862 LTE
  • DrayTek Corporation Vigor2926

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.