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CVE-2018-8826: ASUS RT-AC51U, RT-AC58U, RT-AC66U, RT-AC1750, RT-ACRH13, and RT-N12 D1 routers with firmware before…

CVE-2018-8826 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 13 affected products, including Asus Rt Ac51u Firmware. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

ASUS RT-AC51U, RT-AC58U, RT-AC66U, RT-AC1750, RT-ACRH13, and RT-N12 D1 routers with firmware before 3.0.0.4.380.8228; RT-AC52U B1, RT-AC1200 and RT-N600 routers with firmware before 3.0.0.4.380.10446; RT-AC55U and RT-AC55UHP routers with firmware before 3.0.0.4.382.50276; RT-AC86U and RT-AC2900 routers with firmware before 3.0.0.4.384.20648; and possibly other RT-series routers allow remote attackers to execute arbitrary code via unspecified vectors.

Severity breakdown

CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-20: Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected products

  • Asus Rt Ac51u Firmware: 3.0.0.4.380.8228
  • Asus Rt Ac58u Firmware: 3.0.0.4.380.8228
  • Asus Rt Ac66u Firmware: 3.0.0.4.380.8228
  • Asus Rt Ac1750 Firmware: 3.0.0.4.380.8228
  • Asus Rt N12 D1 Firmware: 3.0.0.4.380.8228
  • Asus Rt Ac52u B1 Firmware: 3.0.0.4.380.10446
  • Asus Rt Ac1200 Firmware: 3.0.0.4.380.10446
  • Asus Rt N600 Firmware: 3.0.0.4.380.10446
  • Asus Rt Ac55u Firmware: 3.0.0.4.382.50276
  • Asus Rt Ac55uhp Firmware: 3.0.0.4.382.50276
  • Asus Rt Ac86u Firmware: 3.0.0.4.384.20648
  • Asus Rt Acrh13 Firmware: 3.0.0.4.380.8228
  • Asus Rt Ac2900 Firmware: 3.0.0.4.384.20648

References