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Fencer Intel
critical 9.8

CVE-2024-3912 json

ASUS Router - Upload arbitrary firmware

published 2y ago modified 8d ago also EUVD-2024-32480

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

Certain models of ASUS routers have an arbitrary firmware upload vulnerability. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary system commands on the device.

Patch / fix

  • ASUS DSL-N17U 1.1.2.3_792
  • ASUS DSL-N55U_C1 1.1.2.3_792
  • ASUS DSL-N55U_D1 1.1.2.3_792
  • ASUS DSL-N66U 1.1.2.3_792
  • ASUS DSL-N12U_C1 1.1.2.3_807
  • ASUS DSL-N12U_D1 1.1.2.3_807
  • ASUS DSL-N14U 1.1.2.3_807
  • ASUS DSL-N14U_B1 1.1.2.3_807
  • ASUS DSL-N16 1.1.2.3_999
  • ASUS DSL-AC51 1.1.2.3_999
  • ASUS DSL-AC750 1.1.2.3_999
  • ASUS DSL-AC52U 1.1.2.3_999
  • ASUS DSL-AC55U 1.1.2.3_999
  • ASUS DSL-AC56U 1.1.2.3_999
  • asus dsl-n66u_firmware 1.1.2.3_792
  • asus dsl-n12u_c1_firmware 1.1.2.3_807
  • asus dsl-ac55_firmware 1.1.2.3_999

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2y ago

Exploit prediction

1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
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

  • ASUS DSL-N17U
  • ASUS DSL-N55U_C1
  • ASUS DSL-N55U_D1
  • ASUS DSL-N66U
  • ASUS DSL-N12U_C1
  • ASUS DSL-N12U_D1
  • ASUS DSL-N14U
  • ASUS DSL-N14U_B1
  • ASUS DSL-N16
  • ASUS DSL-AC51
  • ASUS DSL-AC750
  • ASUS DSL-AC52U
  • ASUS DSL-AC55U
  • ASUS DSL-AC56U
  • ASUS DSL-N10_C1
  • ASUS DSL-N10_D1
  • ASUS DSL-N10P_C1
  • ASUS DSL-N12E_C1
  • ASUS DSL-N16P
  • ASUS DSL-N16U
  • ASUS DSL-AC52
  • ASUS DSL-AC55
  • asus dsl-n66u_firmware
  • asus dsl-n12u_c1_firmware
  • asus dsl-ac55_firmware
  • asus dsl-n10_c1_firmware

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

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.