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Cisco
Rv340w Firmware

cisco rv340w firmware Vulnerabilities: CVEs, CISA KEV & Security Advisories

35 CVEs

6 in CISA KEV

cisco rv340w firmware Vulnerabilities

CVE security advisories and vulnerability history for rv340w firmware by cisco.

35

Total CVEs

Published

6

In CISA KEV

Exploited in the wild

10

Public exploits

With known exploit

8.0

Avg CVSS

2020–2025

Last updated April 16, 2025

Overview

cisco rv340w firmware has 35 published CVE records since 2020, of which 6 are in CISA's Known Exploited Vulnerabilities catalog and 10 have a known public exploit. The average CVSS base score across scored CVEs is 8.0.

This page aggregates every publicly disclosed vulnerability (CVE) affecting cisco rv340w firmware, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list.

Severity and exploitation

How the CVSS severity of cisco rv340w firmware's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical19

High3

Medium13

Low0

In CISA’s Known Exploited Vulnerabilities catalog

6

6 of cisco rv340w firmware's CVEs are confirmed exploited in the wild.

Public exploits

10

10 of cisco rv340w firmware's CVEs have a known public exploit available.

Affected versions and CVEs

Browse every cisco rv340w firmware version named in a CVE, then pick one to see only the CVEs that affect it.

Fixed in

1.0.03.216 CVEs
1.0.03.273 CVEs
1.0.03.192 CVEs
1.0.03.262 CVEs
1.0.03.281 CVE
1.0.03.291 CVE

Find a version

35 CVEs

Sort

Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
CVE-2025-32433
CISA KEV
Public exploit
Patch
CWE-306
Added to CISA KEV 2025-06-09
Critical · CVSS 10.0
EPSS 62.6% (98th pct)2025-04-16
Medium vulnerability · 2023-04-05
CVE-2023-20073CWE-434
Medium · CVSS 5.3
EPSS 91.3% (100th pct)2023-04-05
Medium vulnerability · 2023-01-19
CVE-2023-20007
Patch
CWE-120
Medium · CVSS 4.7
EPSS 0.4% (60th pct)2023-01-19
Critical vulnerability · 2022-08-10
CVE-2022-20827
Patch
CWE-120
Critical · CVSS 9.0
EPSS 3.7% (88th pct)2022-08-10
Critical vulnerability · 2022-08-10
CVE-2022-20842
Patch
CWE-120
Critical · CVSS 9.0
EPSS 2.0% (84th pct)2022-08-10
Critical vulnerability · 2022-08-10
CVE-2022-20841
Patch
CWE-120
Critical · CVSS 9.0
EPSS 3.6% (88th pct)2022-08-10
Medium vulnerability · 2022-05-04
CVE-2022-20799
Patch
CWE-77
Medium · CVSS 4.7
EPSS 0.9% (76th pct)2022-05-04
Medium vulnerability · 2022-05-04
CVE-2022-20801
Patch
CWE-77
Medium · CVSS 4.7
EPSS 0.9% (76th pct)2022-05-04
Medium vulnerability · 2022-05-04
CVE-2022-20753
Patch
CWE-121
Medium · CVSS 4.7
EPSS 1.7% (82th pct)2022-05-04
Cisco Small Business RV Series Routers Vulnerabilities
CVE-2022-20699
CISA KEV
Public exploit
CWE-121
Added to CISA KEV 2022-03-03
Critical · CVSS 10.0
EPSS 89.4% (100th pct)2022-02-10
Cisco Small Business RV Series Routers Vulnerabilities
CVE-2022-20700
CISA KEV
Public exploit
CWE-121
Added to CISA KEV 2022-03-03
Critical · CVSS 10.0
EPSS 28.6% (97th pct)2022-02-10
Cisco Small Business RV Series Routers Vulnerabilities
CVE-2022-20701
CISA KEV
Public exploit
CWE-121
Added to CISA KEV 2022-03-03
Critical · CVSS 10.0
EPSS 6.1% (91th pct)2022-02-10
Critical vulnerability · 2022-02-10
CVE-2022-20702CWE-121
Critical · CVSS 10.0
EPSS 2.7% (86th pct)2022-02-10
Cisco Small Business RV Series Routers Vulnerabilities
CVE-2022-20703
CISA KEV
Public exploit
CWE-121
Added to CISA KEV 2022-03-03
Critical · CVSS 10.0
EPSS 2.0% (84th pct)2022-02-10
Critical vulnerability · 2022-02-10
CVE-2022-20704CWE-121
Critical · CVSS 10.0
EPSS 0.9% (76th pct)2022-02-10
Critical vulnerability · 2022-02-10
CVE-2022-20705
Public exploit
CWE-121
Critical · CVSS 10.0
EPSS 80.2% (99th pct)2022-02-10
Critical vulnerability · 2022-02-10
CVE-2022-20706CWE-121
Critical · CVSS 10.0
EPSS 2.6% (86th pct)2022-02-10
Critical vulnerability · 2022-02-10
CVE-2022-20707
Public exploit
CWE-121
Critical · CVSS 10.0
EPSS 81.4% (99th pct)2022-02-10
Cisco Small Business RV Series Routers Vulnerabilities
CVE-2022-20708
CISA KEV
Public exploit
CWE-121
Added to CISA KEV 2022-03-03
Critical · CVSS 10.0
EPSS 9.3% (93th pct)2022-02-10
Critical vulnerability · 2022-02-10
CVE-2022-20709CWE-121
Critical · CVSS 10.0
EPSS 0.5% (68th pct)2022-02-10
Critical vulnerability · 2022-02-10
CVE-2022-20710CWE-121
Critical · CVSS 10.0
EPSS 1.7% (83th pct)2022-02-10
Critical vulnerability · 2022-02-10
CVE-2022-20711CWE-121
Critical · CVSS 10.0
EPSS 2.4% (85th pct)2022-02-10
Critical vulnerability · 2022-02-10
CVE-2022-20712CWE-121
Critical · CVSS 10.0
EPSS 2.2% (85th pct)2022-02-10
Cisco Small Business RV Series Routers Vulnerabilities
CVE-2022-20749CWE-121
Critical · CVSS 10.0
EPSS 2.4% (85th pct)2022-02-10
Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Local Privilege Escalation Vulnerability
CVE-2021-1520
Patch
CWE-123
Medium · CVSS 6.7
EPSS 0.0% (8th pct)2021-05-06
Medium vulnerability · 2021-04-08
CVE-2021-1473
Public exploit
Patch
CWE-119
Medium · CVSS 5.3
EPSS 91.1% (100th pct)2021-04-08
Medium vulnerability · 2021-04-08
CVE-2021-1472
Public exploit
Patch
CWE-119
Medium · CVSS 5.3
EPSS 91.3% (100th pct)2021-04-08
Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Authenticated Remote Code Execution Vulnerabilities
CVE-2021-1415
Patch
CWE-502
Medium · CVSS 6.3
EPSS 1.2% (79th pct)2021-04-08
Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Authenticated Remote Code Execution Vulnerabilities
CVE-2021-1414
Patch
CWE-502
Medium · CVSS 6.3
EPSS 0.9% (77th pct)2021-04-08
Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Authenticated Remote Code Execution Vulnerabilities
CVE-2021-1413
Patch
CWE-502
Medium · CVSS 6.3
EPSS 1.2% (79th pct)2021-04-08

Showing 30 of 35

Common weakness types

The CWE weakness categories most often found in cisco rv340w firmware CVEs. Follow any weakness for its full explanation.

CWE-121Stack-based Buffer Overflow16 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer7 CVEs
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')4 CVEs
CWE-502Deserialization of Untrusted Data3 CVEs
CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')2 CVEs
CWE-434Unrestricted Upload of File with Dangerous Type1 CVE
CWE-306Missing Authentication for Critical Function1 CVE
CWE-123Write-what-where Condition1 CVE

Disclosure activity by year

How many cisco rv340w firmware CVEs were published each year.

2020

2

2021

9

2022

21

2023

2

2025

1

Other cisco products

Browse vulnerabilities for other products by cisco.

ios625 CVEs ios xe542 CVEs adaptive security appliance software349 CVEs nx-os278 CVEs Cisco Small Business RV Series Router Firmware262 CVEs Cisco IOS XE Software246 CVEs unified communications manager238 CVEs firepower threat defense230 CVEs

All cisco vulnerabilities

Frequently asked questions

Common questions about cisco rv340w firmware vulnerabilities.

How many CVEs does cisco rv340w firmware have?

cisco rv340w firmware has 35 published CVE records since 2020.

How many cisco rv340w firmware CVEs are in CISA KEV?

Yes — 6 of cisco rv340w firmware's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.

Are there public exploits for cisco rv340w firmware vulnerabilities?

Yes — 10 of cisco rv340w firmware's CVEs have a known public exploit.

Which versions of cisco rv340w firmware are affected?

6 distinct cisco rv340w firmware versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.

What are the most common weakness types in cisco rv340w firmware CVEs?

cisco rv340w firmware's CVEs most often map to these CWE weakness types: CWE-121 (Stack-based Buffer Overflow), CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer), CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-502 (Deserialization of Untrusted Data).

How many critical cisco rv340w firmware vulnerabilities are there?

cisco rv340w firmware has 19 critical and 3 high-severity CVEs.

What is the average severity of cisco rv340w firmware CVEs?

The average CVSS base score across cisco rv340w firmware's scored CVEs is 8.0.

References

All cisco vulnerabilities
The MITRE CVE Program (opens in a new tab)
Learn: What is a CVE?
CWE directory: the weakness types these CVEs map to

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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On this page

Overview
Severity and exploitation
Affected versions and CVEs
Common weakness types
Disclosure activity
Other products
FAQ
References