Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability

Exploited · KEV 2021-11-03Metasploit moduleCVE-2019-1653CWE-284

Exploited since 2021-11-03. No WAF vendor names it yet. Our CRS test: not blocked.

Edge rules

0/8

Our test

Not blocked

CVSS

7.5

EPSS

99.9% Top 0.1%

Posts, 14d

Published

2019-01-24

A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an unauthenticated, remote attacker to retrieve sensitive information. The vulnerability is due to improper access controls for URLs. An attacker could exploit this vulnerability by connecting to an affected device via HTTP or HTTPS and requesting specific URLs. A successful exploit could allow the attacker to download the router configuration or detailed diagnostic information. Cisco has released firmware updates that address this vulnerability.

Edge coverage

Claimed by vendors

CloudflareBefore feed historyOlder than its feedWe measured: passed AWSBefore feed historyOlder than its feedWe measured: passed Microsoft AzureNo public claimNot named Google CloudBefore feed historyOlder than its feedWe measured: passed FastlyBefore feed historyOlder than its feed F5Before feed historyOlder than its feed AkamaiNo public sourceNo public changelog OWASP CRSBefore feed historyOlder than its feed

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Ask about CVE-2019-1653: who's covered, what to patch first, how vendors compare. I cite sources and won't help with attacks.

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Severity, decoded

CVSS 3.0

7.5High

High · 7.5 / 10

Exploitable over the network, with no privileges and no user interaction, leading to full loss of confidentiality.

Over the internetNo login neededNo user actionWorks reliablySerious impact

How the score is built8 metrics

Attack vectorAn attacker can reach it over the internet; no access to your network needed.
Network
Attack complexityNo special conditions are needed; the attack works reliably.
Low
Privileges requiredNo account or login is needed.
None
User interactionNo one has to click or open anything; the attack works on its own.
None
ScopeThe damage stays within the vulnerable component.
Unchanged
Confidentiality impactAn attacker can read all data the affected component holds, or the most sensitive parts of it.
High
Integrity impactData cannot be changed by the attacker.
None
Availability impactThe component keeps working normally.
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA's assessmentSSVC, from the CVE record

ExploitationActive

Attackers are exploiting this in the wild.

AutomatableYes

Attackers can script the attack end to end and hit many targets at once.

Technical impactPartial

A successful attack gives limited control over the affected software or limited access to its data.

Public exploits

5 found

2 Metasploit2 Exploit-DB1 Scanner template0 GitHub PoCs

MetasploitCisco RV320/RV326 Configuration Disclosure2019-01-24 · auxiliary · rank Normal
MetasploitCisco RV320 and RV325 Unauthenticated Remote Code Execution2018-09-09 · exploit · rank Normal · has check
Exploit-DBCisco RV320 and RV325 - Unauthenticated Remote Code Execution (Metasploit)2019-04-03 · remote · hardware · verified
Exploit-DBCisco RV300 / RV320 - Information Disclosure2019-01-28 · webapps · hardware
NucleiCVE-2019-1653.yamldetection template, replayed in our lab

Links are to third-party code: never run it outside an isolated lab.

Timeline

2018-09-09
Metasploit module published
Cisco RV320 and RV325 Unauthenticated Remote Code Execution
2019-01-24
CVE published
CVE List
2019-01-28
Exploit published on Exploit-DB
Cisco RV300 / RV320 - Information Disclosure
2021-11-03
Added to CISA KEV
Confirmed exploitation in the wild
2026-11-02
Our test: OWASP Core Rule Set let it through
paranoia level 1, anomaly threshold 5, default CRS settings
2026-11-02
Our test: OWASP Core Rule Set let it through
paranoia level 2, anomaly threshold 5, default CRS settings