How severe is CVE-2020-3323?

CVE-2020-3323 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-3323 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3323?

CVE-2020-3323 primarily affects Cisco Rv110w Wireless-n Vpn Firewall Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-3323?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-3323 published?

CVE-2020-3323 was published on 2020-07-16 and last updated on 2026-06-17.

CVE-2020-3323

CVE-2020-3323 is a critical-severity vulnerability in Cisco Rv110w Wireless-n Vpn Firewall Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Rv110w Wireless-n Vpn Firewall Firmware
Published: 2020-07-16
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. The vulnerability is due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system of the affected device.

Frequently asked questions

What is CVE-2020-3323?: A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. The vulnerability is due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system of the affected device.
How severe is CVE-2020-3323?: CVE-2020-3323 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-3323 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3323?: CVE-2020-3323 primarily affects Cisco Rv110w Wireless-n Vpn Firewall Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-3323?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-3323 published?: CVE-2020-3323 was published on 2020-07-16 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-rce-AQKREqp

Affected products (4)

cpe:2.3:o:cisco:rv110w_wireless-n_vpn_firewall_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv130_vpn_router_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv130w_wireless-n_multifunction_vpn_router_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:rv215w_wireless-n_vpn_router_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Cisco Rv110w Wireless-n Vpn Firewall Firmware

CVE-2021-34730 — Critical (CVSS 9.8): A vulnerability in the Universal Plug-and-Play (UPnP) service of Cisco Small Business RV110W, RV130, RV130W, and RV215W…
CVE-2020-3331 — Critical (CVSS 9.8): A vulnerability in the web-based management interface of Cisco RV110W Wireless-N VPN Firewall and Cisco RV215W…
CVE-2020-3330 — Critical (CVSS 9.8): A vulnerability in the Telnet service of Cisco Small Business RV110W Wireless-N VPN Firewall Routers could allow an…
CVE-2016-1395 — Critical (CVSS 9.8): The web-based management interface on Cisco RV110W devices with firmware before 1.2.1.7, RV130W devices with firmware…
CVE-2020-3332 — High (CVSS 8.8): A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Series…
CVE-2020-3146 — High (CVSS 8.8): Multiple vulnerabilities in the web-based management interface of the Cisco RV110W Wireless-N VPN Firewall, RV130 VPN…

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