CVE-2015-6418

Published: Dec 13, 2015Modified: May 6, 2026

4.3

Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Exploitability: 8.6 / Impact: 2.9

Source: NVD

Description

The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224.

Affected (12)

Products: Cisco: Sa520, Sa520w, Sa540, Rv016 Multi Wan Vpn Firmware, Rv042 Dual Wan Vpn Router Firmware, Rv042g Dual Gigabit Wan Vpn Firmware, Rv082 Dual Wan Vpn Router Firmware

7 products

Rv016 Multi Wan Vpn Firmware

Rv042 Dual Wan Vpn Router Firmware

Rv042g Dual Gigabit Wan Vpn Firmware

Rv082 Dual Wan Vpn Router Firmware

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Cisco Sa520	Version 2.2.07
Cisco Sa520w	Version 2.2.07
Cisco Sa540	Version 2.2.07

Configuration B

9 vulnerable

Vulnerable Software	Affected Versions
Cisco Rv016 Multi Wan Vpn Firmware	Version 4.0.0.7
Cisco Rv016 Multi Wan Vpn Firmware	Version 4.0.2.8
Cisco Rv016 Multi Wan Vpn Firmware	Version 4.0.5.0
Cisco Rv042 Dual Wan Vpn Router Firmware	Version 4.0.2.8
Cisco Rv042g Dual Gigabit Wan Vpn Firmware	Version 4.0.0.7
Cisco Rv042g Dual Gigabit Wan Vpn Firmware	Version 4.2.2.7
Cisco Rv042g Dual Gigabit Wan Vpn Firmware	Version 4.2.2.8
Cisco Rv082 Dual Wan Vpn Router Firmware	Version 4.0.0.7
Cisco Rv082 Dual Wan Vpn Router Firmware	Version 4.0.2.8