SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-3453

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 Series Routers could allow an authenticated, remote attacker with administrative credentials to execute arbitrary commands on the underlying operating system…

MEDIUM 6.8EPSS 3.08%

Does this matter?

Lower severity and a low EPSS score (3.08%). Track it; it rarely justifies an emergency change on its own.

Description

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 Series Routers could allow an authenticated, remote attacker with administrative credentials to execute arbitrary commands on the underlying operating system (OS) as a restricted user. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS 3.1
6.8 MEDIUMCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
3.08% probability · 88th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119, CWE-20
Affected
cisco/rv340w firmware · cisco/rv340 firmware · cisco/rv345 firmware · cisco/rv345p firmware
Source
psirt@cisco.com
EPSS trend
0%3%5%26 October 2026: 3.08%26 October 202626 October 2026

EPSS 3.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.