17 August 2018

KLCERT-18-011: Kraftway-24F2XG Router Outdated Certificate Usage

Vendor

Kraftway

Researcher

Alexander Nochvay, Kaspersky ICS CERT

Timeline

Timeline

  • Kaspersky ICS CERT advisory published

    17 August 2018

  • Vendor notified that patch is available

    August 2018

  • First feedback from vendor

    December 2017

Description

Usage of SSLv2 and SSLv3 contain cryptographic weaknesses and cause data decryption.

Exploitability

Remotely

Attack complexity

Low

User interaction

None

Impact

A remote attacker can decrypt data while Man-in-the-Middle attack.

Existence of exploit

Unknown

Affected products

Kraftway-24F2XG Router firmware 3.5.30.1118

Mitigation

Vendor mitigation

Update firmware: ver 3.5.47-315-gef7 and higher.

Kaspersky Lab publishes information on newly identified vulnerabilities in order to raise user awareness of the IT security threats detected. Kaspersky Lab does not make any guarantees in respect of information received from vendors of products in which vulnerabilities have been identified, which is included in the following sections of the advisory: Affected Products, Vendor Mitigation.

Timeline

  • Kaspersky ICS CERT advisory published

    17 August 2018

  • Vendor notified that patch is available

    August 2018

  • First feedback from vendor

    December 2017