🛡️ CVE-2022-20801 — rv340-firmware

🟡 CVSS 4.7 — Medium ✅ No Known Exploit CWE-77 NVD
4.7
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 and RV345 Routers could allow an authenticated, remote attacker to inject and execute arbitrary commands on the underlying operating system of an affected device. These vulnerabilities are due to insufficient validation of user-supplied input. An attacker could exploit these vulnerabilities by sending malicious input to an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux operating system of the affected device. To exploit these vulnerabilities, an attacker would need to have valid Administrator credentials on the affected device.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

Weakness class

CVE-2022-20801 is classified as CWE-77: Command Injection. User input is placed into a command that the system interprets, allowing extra commands to be appended to the intended one.

Affected software

CVE-2022-20801 is recorded against 4 packages.

  • rv340-firmware (fixed in 1.0.03.27)
  • rv340w-firmware (fixed in 1.0.03.27)
  • rv345-firmware (fixed in 1.0.03.27)
  • rv345p-firmware (fixed in 1.0.03.27)

Timeline and source

Published on 4 May 2022 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

tools.cisco.com
tools.cisco.com

Details

Severity MEDIUM
CVSS Score 4.7
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CWE CWE-77
Public Exploit ✅ No
Source NVD
Published 2022-05-04
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
rv340-firmware — 1.0.03.27
rv340w-firmware — 1.0.03.27
rv345-firmware — 1.0.03.27
rv345p-firmware — 1.0.03.27

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