CVE-2019-1653 | Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability

Exp

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.

Published: 2019-01-24 Last update: 2025-10-28 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-1653 is rated Critical Active Threat (90/100): CVSS High severity, with high exploitation likelihood (EPSS 94.38%, 100th percentile). CISA KEV confirms active exploitation (added 2021-11-03) affecting Cisco / Small Business RV320 and RV325 Routers. a weakness (CWE-284) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2019-1653

Name: Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability · CISA KEV detail

Exploit added: 2021-11-03

Action due: 2022-05-03

Required action: Apply updates per vendor instructions.

Public exploit references (Exploit-DB) for CVE-2019-1653

EDB-ID Source Kind Published Link
46655 exploit_db edb 2019-04-03 Exploit-DB ↗
46262 exploit_db edb 2019-01-28 Exploit-DB ↗
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Exploit prediction scoring system (EPSS) score for CVE-2019-1653

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-28 94.35% 94.38% +0.03%
2 2025-12-27 94.35% 94.35% -0.01%
3 2025-11-21 — 94.35% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-1653

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-1653

Affected software / configurations for CVE-2019-1653

Vendor Product Version Raw CPE
cisco rv320_firmware 1.4.2.15 cpe:2.3:o:cisco:rv320_firmware:1.4.2.15:*:*:*:*:*:*:*
cisco rv320_firmware 1.4.2.17 cpe:2.3:o:cisco:rv320_firmware:1.4.2.17:*:*:*:*:*:*:*
cisco rv325_firmware 1.4.2.15 cpe:2.3:o:cisco:rv325_firmware:1.4.2.15:*:*:*:*:*:*:*
cisco rv325_firmware 1.4.2.17 cpe:2.3:o:cisco:rv325_firmware:1.4.2.17:*:*:*:*:*:*:*

References for CVE-2019-1653

URL Tags
http://packetstormsecurity.com/files/152260/Cisco-RV320-Unauthenticated-Configuration-Export.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/152261/Cisco-RV320-Unauthenticated-Diagnostic-Data-Retrieval.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/152305/Cisco-RV320-RV325-Unauthenticated-Remote-Code-Execution.html Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2019/Mar/59 Exploit Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2019/Mar/60 Exploit Mailing List Third Party Advisory
http://www.securityfocus.com/bid/106732 Third Party Advisory VDB Entry
https://badpackets.net/over-9000-cisco-rv320-rv325-routers-vulnerable-to-cve-2019-1653/ Third Party Advisory
https://seclists.org/bugtraq/2019/Mar/53 Mailing List Third Party Advisory
https://seclists.org/bugtraq/2019/Mar/54 Mailing List Third Party Advisory
https://threatpost.com/scans-cisco-routers-code-execution/141218/ Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-rv-info Vendor Advisory
https://www.exploit-db.com/exploits/46262/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/46655/ Third Party Advisory VDB Entry
https://www.youtube.com/watch?v=bx0RQJDlGbY Third Party Advisory
https://www.zdnet.com/article/hackers-are-going-after-cisco-rv320rv325-routers-using-a-new-exploit/ Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1653 US Government Resource
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