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High severity8.8NVD Advisory· Published Oct 2, 2024· Updated Jun 17, 2026

CVE-2024-20393

CVE-2024-20393

Description

A vulnerability in the web-based management interface of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an authenticated, remote attacker to elevate privileges on an affected device.

This vulnerability exists because the web-based management interface discloses sensitive information. An attacker could exploit this vulnerability by sending crafted HTTP input to an affected device. A successful exploit could allow an attacker to elevate privileges from guest to admin.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

83
  • Cisco Systems, Inc./Rv340 Dual Wan Gigabit VPN Router Firmware20 versions
    cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.00.29:*:*:*:*:*:*:*+ 19 more
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.00.29:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.00.33:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.01.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.01.17:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.01.18:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.01.20:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.02.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.15:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.17:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.18:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.19:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.20:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.21:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.22:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.24:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.26:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.27:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.28:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340_dual_wan_gigabit_vpn_router_firmware:1.0.03.29:*:*:*:*:*:*:*
  • Cisco Systems, Inc./Rv340w Dual Wan Gigabit Wireless Ac VPN Router Firmware20 versions
    cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.00.29:*:*:*:*:*:*:*+ 19 more
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.00.29:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.00.33:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.01.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.01.17:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.01.18:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.01.20:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.02.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.15:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.17:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.18:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.19:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.20:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.21:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.22:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.24:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.26:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.27:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.28:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware:1.0.03.29:*:*:*:*:*:*:*
  • Cisco Systems, Inc./Rv345 Dual Wan Gigabit VPN Router Firmware20 versions
    cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.00.29:*:*:*:*:*:*:*+ 19 more
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.00.29:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.00.33:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.01.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.01.17:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.01.18:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.01.20:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.02.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.15:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.17:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.18:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.19:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.20:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.21:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.22:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.24:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.26:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.27:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.28:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345_dual_wan_gigabit_vpn_router_firmware:1.0.03.29:*:*:*:*:*:*:*
  • Cisco Systems, Inc./Rv345p Dual Wan Gigabit Poe VPN Router Firmware20 versions
    cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.00.29:*:*:*:*:*:*:*+ 19 more
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.00.29:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.00.33:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.01.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.01.17:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.01.18:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.01.20:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.02.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.15:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.16:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.17:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.18:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.19:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.20:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.21:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.22:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.24:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.26:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.27:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.28:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:rv345p_dual_wan_gigabit_poe_vpn_router_firmware:1.0.03.29:*:*:*:*:*:*:*
  • Cisco Systems, Inc./Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routersllm-fuzzy
  • Cisco Systems, Inc./RV340llm-fuzzy
  • Cisco Systems, Inc./Small Business Rv Series Router Firmwarecpe-rescue
    Range: 1.0.01.17

Patches

Vulnerability mechanics

References

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