CVE-2019-1652 Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers: software flaw
In plain words: A mistake in the software that attackers have found a way to abuse. Depends on the product — see the description and the vendor advisory.
Confirmed exploited by CISA on · US federal patch deadline Mar 17, 2022
What to do
- Install Cisco's security update for Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Patch edge devices first — attackers often start scanning for them within hours of a fix.
- Never expose the device's admin page to the internet.
- After patching a device that was exposed, follow the vendor's compromise checks, end active sessions and change passwords.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: They face the internet and guard the whole network, so a flaw here can hand attackers a way in — and these devices usually run no antivirus, so break-ins go unnoticed.
The details
- Official name
- Cisco Small Business Routers Improper Input Validation Vulnerability
- Product
- Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers
- CISA 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.
- Type of flaw
- Software flaw (CWE-20)
- Confirmed exploited
- Mar 3, 2022
- US federal patch deadline
- Mar 17, 2022
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Answering about CVE-2019-1652 ·
Questions about CVE-2019-1652
Is CVE-2019-1652 being exploited?
Yes. CISA added CVE-2019-1652 to its Known Exploited Vulnerabilities catalog on Mar 3, 2022, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2019-1652?
Install Cisco's security update for Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers. If no update exists, follow the vendor's workaround or stop using the product until one ships. Patch edge devices first — attackers often start scanning for them within hours of a fix.
Am I affected by CVE-2019-1652?
Only if you use Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.