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CVE-2019-1652

Cisco Small Business RV320 and RV325 Routers Command Injection Vulnerability

Description

A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an authenticated, remote attacker with administrative privileges on an affected device to execute arbitrary commands. The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending malicious HTTP POST requests to the web-based management interface of an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux shell as root. Cisco has released firmware updates that address this vulnerability.

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Cisco Small Business Routers Improper Input Validation Vulnerability.

Added
3 Mar 2022
Fix due (US federal)
17 Mar 2022
Used by ransomware
Not known

Apply updates per vendor instructions.

ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 3 Mar 2022.

Public exploit

An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and 2 Exploit-DB entries for it. 2 references of the record are tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.

Show the exploits5

Metasploit modules1 module

Exploit-DB2 entries

References tagged exploit2 references

Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from

Timeline

  1. ID reserved

    By cisco

  2. · 49 days later

    Published

  3. · 3 years later

    Added to CISA KEV

    Known exploited in the wild

  4. · 4 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2019-1652, by who scored it
Scored byCVSSScoreVector
ciscoCNA (assigner)3.0High7.2CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1High7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
95.9% · top 0.1% of all CVEs (11 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.

Affected products

What to do

Exploitation: The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

References

References9

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .