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CVE-2024-20393

Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Privilege Escalation Vulnerability

HIGH

8.8

CVSS Score

Published: October 2, 2024 at 04:53 PM UTC

Updated: June 17, 2026 at 07:06 AM UTC

13 products affected across 1 vendorRV345 Dual WAN Gigabit VPN Router FirmwareRV340W Dual WAN Gigabit Wireless Ac VPN Router FirmwareRV345P Dual WAN Gigabit POE VPN Router Firmware

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Severity

HIGH8.8

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

90%

1.0.00.29 1.0.00.33 1.0.01.16 1.0.01.17 1.0.01.18 1.0.01.20 1.0.02.16 1.0.03.15 1.0.03.16 1.0.03.17 1.0.03.18 1.0.03.19 1.0.03.20 1.0.03.21 1.0.03.22 1.0.03.24 1.0.03.26 1.0.03.27 1.0.03.28 1.0.03.29

cisco-rv340-dual-wan-gigabit-vpn-router (same device)

RV340W · Cisco

90%

1.0.00.29 1.0.00.33 1.0.01.16 1.0.01.17 1.0.01.18 1.0.01.20 1.0.02.16 1.0.03.15 1.0.03.16 1.0.03.17 1.0.03.18 1.0.03.19 1.0.03.20 1.0.03.21 1.0.03.22 1.0.03.24 1.0.03.26 1.0.03.27 1.0.03.28 1.0.03.29

cisco-rv340w-dual-wan-gigabit-wireless-ac-vpn-router (same device)

90%

1.0.00.29 1.0.00.33 1.0.01.16 1.0.01.17 1.0.01.18 1.0.01.20 1.0.02.16 1.0.03.15 1.0.03.16 1.0.03.17 1.0.03.18 1.0.03.19 1.0.03.20 1.0.03.21 1.0.03.22 1.0.03.24 1.0.03.26 1.0.03.27 1.0.03.28 1.0.03.29

cisco-rv345-dual-wan-gigabit-vpn-router (same device)

RV345P · Cisco

90%

1.0.00.29 1.0.00.33 1.0.01.16 1.0.01.17 1.0.01.18 1.0.01.20 1.0.02.16 1.0.03.15 1.0.03.16 1.0.03.17 1.0.03.18 1.0.03.19 1.0.03.20 1.0.03.21 1.0.03.22 1.0.03.24 1.0.03.26 1.0.03.27 1.0.03.28 1.0.03.29

cisco-rv345p-dual-wan-gigabit-poe-vpn-router (same device)

Rv340 Dual Wan Gigabit Vpn Router · Ciscodevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv34x-privesc-rce-qE33TCms

References (1)

Vendor Advisory

Source: [email protected]

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv34x-privesc-rce-qE33TCms

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHcisco

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-285NVD-CWE-noinfo

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