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TI-2015-05401 Aliases CVE-2015-6418GHSA-9rcv-p8fh-p3ch

The random-number generator on Cisco Small Business RV routers 4.x and SA500 security…

Priority LOW 24CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Information disclosure
Confidentiality · integrity · availability
Partial · None · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

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.

Why it matters now

EPSS 0.01836 79th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:o:cisco:sa520:2.2.07:*:*:*:*:*:*:*2.2.07VulnerableCisco
cpe:2.3:o:cisco:sa520w:2.2.07:*:*:*:*:*:*:*2.2.07VulnerableCisco
cpe:2.3:o:cisco:sa540:2.2.07:*:*:*:*:*:*:*2.2.07VulnerableCisco
cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:*4.0.0.7VulnerableCisco
cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.2.8:*:*:*:*:*:*:*4.0.2.8VulnerableCisco
cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.5.0:*:*:*:*:*:*:*4.0.5.0VulnerableCisco
cpe:2.3:a:cisco:rv042_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:*4.0.2.8VulnerableCisco
cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:*4.0.0.7VulnerableCisco
cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.7:*:*:*:*:*:*:*4.2.2.7VulnerableCisco
cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.8:*:*:*:*:*:*:*4.2.2.8VulnerableCisco
  • cpe:2.3:o:cisco:sa520:2.2.07:*:*:*:*:*:*:* Versions 2.2.07 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:sa520w:2.2.07:*:*:*:*:*:*:* Versions 2.2.07 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:sa540:2.2.07:*:*:*:*:*:*:* Versions 2.2.07 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:* Versions 4.0.0.7 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.2.8:*:*:*:*:*:*:* Versions 4.0.2.8 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.5.0:*:*:*:*:*:*:* Versions 4.0.5.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:rv042_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:* Versions 4.0.2.8 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:* Versions 4.0.0.7 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.7:*:*:*:*:*:*:* Versions 4.2.2.7 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.8:*:*:*:*:*:*:* Versions 4.2.2.8 Vulnerable ·Cisco
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.0.7:*:*:*:*:*:*:*4.0.0.7VulnerableCisco
cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:*4.0.2.8VulnerableCisco
  • cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.0.7:*:*:*:*:*:*:* Versions 4.0.0.7 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:* Versions 4.0.2.8 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-6418
  2. 2026-10-03 Alias added: GHSA-9rcv-p8fh-p3ch

References

  • TI-2019-11383 Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Arbitrary Command Execution Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2019-12000 Cisco Small Business Routers RV016, RV042, RV042G, RV082, RV320, and RV325 Command Injection Vulnerability CVSS 3.1HIGH 7.2
  • TI-2019-12030 Cisco Small Business Routers RV016, RV042, RV042G, and RV082 Information Disclosure Vulnerability CVSS 3.1MEDIUM 5.3

Sources